Center for Historic Preservation and Technology
Records, 1833-1995 and undated
| Box# | File# | Description |
|---|---|---|
| Texas, 1839-1995 and undated | ||
| Correspondence - Historic Engineering Site Inventory, 1974-1981 | ||
| 1 | 1 | In, 1974-1978 |
| 1 | 2 | Out, 1974-1977 |
| 1 | 3 | Out, 1975-1977 |
| 1 | 4 | Out, 1980-1981 |
| 1 | 5 | From Randy Henson, 1977 |
| 1 | 6 | To Randy Henson, 1977 |
| 1 | 7 | Texas Historical Commission Correspondence, 1975-1977 |
| 1 | 8 | Texas Historical Commission Correspondence, 1977 |
| 1 | 9 | Copies, 1975 |
| 1 | 10 | Copies, 1975 |
| Site Investigation Summary, 1971-1978 | ||
| 1 | 11 | #48-001 to #48-291, 1971-1977 |
| 1 | 12 | #48-317 to #48-600, 1971-1977 |
| 1 | 13 | #48-601 to #48-999, 1971-1977 |
| 2 | 1 | #58-001 to #58-410, 1975-1976 |
| 2 | 2 | Corrections, 1971-1978 |
| 2 | 3 | Abilene and Northern Railway, Taylor and Jones Counties, 1952-1977 |
| 2 | 4 | Abilene and Southern Railway, Taylor, Jones and Runnels Counties, 1952-1977 |
| 2 | 5 | Abilene Water Tower Failure, Abilene, Taylor County, 1904-1977 |
| 2 | 6 | Abilene Waterworks, Taylor County, 1952-1977 |
| 2 | 7 | Acme Brick Works, Denton, Denton County, 1976-1977 |
| 2 | 8 | Acme Gypsum Company, Quanah, Hardeman County, 1975-1977 |
| 2 | 9 | Acme Tap Railroad, Foard County, 1952-1977 |
| 2 | 10 | Addicks Lake, Addicks, Harris County, 1952-1977 |
| 2 | 11 | Agua Frio Quicksilver, Brewster County, 1976-1977 |
| 2 | 12 | A. H. Belo Telephone Line 1878, Galveston, Galveston County, 1952-1977 |
| 2 | 13 | A. H. Pierce Rice Irrigation Pumping Plant, near Wharton, Wharton County, 1909-1977 |
| 2 | 14 | Alamito Creek Irrigation Project, Alamito Creek, Presidio County, 1911-1974 |
| 2 | 15 | Alamocito Creek Irrigation Project, near Marfa, Presidio County, 1911-1977 |
| 2 | 16 | Alamo Portland and Roman Cement Works, San Antonio, 1924-1976 |
| 2 | 17 | Alamocitos Irrigation System, Oldham County, 1975-1977 |
| 2 | 18 | Alba Mine, Wood County, 1976 |
| 2 | 19 | Alibates Flint Quarries, Potter County, 1964-1977 |
| 2 | 20 | Allamorre Railway Water System, Hudspeth County, 1975-1977 |
| 2 | 21 | Amarillo Army Airfield, 1952-1977 |
| 2 | 22 | Amarillo-Roswell Furrow, Potter County, Texas to Chaves County, New Mexico, 1975 |
| 2 | 23 | American-Amicable building, Waco, McLennan County, 1975-1978 |
| 2 | 24 | American Coal Mines, Strawn, Palo Pinto County, 1976 |
| 2 | 25 | Andersons Mill, Travis County, 1952-1974 |
| 2 | 26 | Angelina and Neches River Railroad, Keltys, Angelina County, 1952-1975 |
| 2 | 27 | Angelina River Bridge, Angelina and San Augustine Counties, 1959-1976 |
| Texas, 1839-1995 and undated | ||
| 2 | 28 | Aransas Harbor Terminal Company, Aransas Pass, Nueces County, 1952-1975 |
| 2 | 29 | Aransas Pass Harbor Improvements, Aransas Pass Nueces County, 1910-1974 |
| 2 | 30 | Aransas Pass Lighthouse, Aransas Pass, Nueces County, 1937-1978 |
| 2 | 31 | Aransas Pass Plank Causeway, San Patricio County, 1968-1976 |
| 2 | 32 | Archer City Water Works, Archer County, 1971-1975 |
| 2 | 33 | Archer County Copper Mines, 1975 |
| 2 | 34 | Arcola Windmill Water System 1860, Houston Tap and Brazoria Railroad, Arcola, Fort Bend County, 1861-1971 |
| 2 | 35 | Arledge Field, Stamford, Jones County, 1952-1975 |
| 2 | 36 | Arroyo Colorado River Bridge near Rio Hondo, Cameron County, 1968-1976 |
| 2 | 37 | Artesian Belt Railroad, Bexar and Atascosa Counties, 1952-1975 |
| 2 | 38 | Asa Jones Water Works, Brewster County, 1972-1975 |
| 2 | 39 | Asphalt Belt Railway (Kinney and Uvalde Railroad), Uvalde County, 1952-1975 |
| 2 | 40 | Atascosita Road, Goliad, Refugio, Austin, and Harris Counties, 1952-1975 |
| 2 | 41 | “Atlanta” Private Railway Car, Jefferson, 1975 |
| 2 | 42 | Atlantic Pipeline, Sterling County, 1975 |
| 2 | 43 | Austell Water Works, Austell, Refugio County, 1975 |
| 2 | 44 | Austin and Northwestern Railroad, Travis and Burnet Counties, 1952-1975 |
| 2 | 45 | Austin and Oatmanville Railway, Travis County, 1952-1975 |
| 2 | 46 | Austin Artesian Well, State Capitol, Austin, Travis County, 1866-1978 |
| 2 | 47 | Austin Dam, Colorado River, Austin, Travis County, 1927-1978 and undated |
| 2 | 48 | Austin Dam and Suburban Railway, Austin, Travis County, 1952-1975 |
| 2 | 49 | Austin Tower Lighting System, Austin, Travis County, 1895-1978 |
| 2 | 50 | Austin Town Lake Twin Bridges, Austin, Travis County, 1973-1976 |
| 2 | 51 | Austin Water Works, Austin, Travis County, 1941-1974 and undated |
| 2 | 52 | B. Earhart Well, Lubbock County, 1976 |
| 2 | 53 | Badu Gold Mine, south of Llano, Gillespie County, 1976 |
| 2 | 54 | Ballinger Waterworks, Ballinger, Runnels County, 1971-1978 |
| 2 | 55 | Balmorhea Irrigation Project, 1918-1978 |
| 2 | 56 | Bandera Mormon Mill, Bandera County, 1975 |
| 2 | 57 | Bankhead Highway, Mitchell, Howard Midland, and Martin Counties, 1975 |
| 2 | 58 | Barbed Wire Telephone System, Crosby and Floyd Counties, 1976 and undated |
| 2 | 59 | Barbers Hill Oil Field, Chambers County, 1952-1975 |
| 2 | 60 | Barron Air Corps Training Field, Everman, Tarrant County, 1952-1975 |
| 2 | 61 | Bartlett and Western Railway, Williamson County, 1952-1975 |
| 2 | 62 | Bastrop Cotton Mill, Bastrop County, 1952-1975 |
| 2 | 63 | Bat Guano Deposit Exploitation, Texas Hill Country, 1901-1976 |
| 2 | 64 | Batson Oil Field, Batson, Hardin County, 1952-1975 |
| 2 | 65 | Battleship Texas, Deer Park, Harris County, 1952-1975 and undated |
| 2 | 66 | Baytown-La Porte Tunnel, Harris County, 1964-1976 |
| 2 | 67 | Baze Irrigation Ditch and Dam, Knickerbocker, Tom Green County, 1975 |
| 2 | 68 | Beaumont and Great Northern Railroad, Trinity County, 1975 |
| 2 | 69 | Beaumont and Saratoga Railway, Voth, Jefferson County, 1952-1975 |
| 2 | 70 | Beaumont Electric Plant, Beaumont, Jefferson County, 1976 |
| 2 | 71 | Beaumont Harbor Improvements, Beaumont, Jefferson County, 1973-1974 |
| 2 | 72 | Beaumont Ice, Light, and Refrigerating Plant, 1976 and undated |
| 2 | 73 | Beaumont Irrigation Company Irrigation System, Beaumont, Jefferson County, 1976 |
| 2 | 74 | Beaumont, Sour Lake, and Western Railway, Jefferson and Hardin Counties, 1952-1975 |
| Texas, 1839-1995 and undated | ||
| 2 | 75 | Beaumont Waterworks, Beaumont, Jefferson County, 1890-1974 |
| 2 | 76 | Beaumont Wharf and Terminal Company, Beaumont, Orange, and Jefferson Counties, 1952-1975 |
| 2 | 77 | Beaumont Wood Preserving Plant, 1974 |
| 2 | 78 | Bedias Road (Bedias Trail), Angelona, Trinity, Nacodoches, and Madison Counties, 1952-1975 |
| 2 | 79 | Bee Creek Lattice Truss Bridge, near Freyburg, Fayette County, 1976 and undated |
| 2 | 80 | Beefhead Ditch Sandstone Arch Bridge, La Grange, Fayette County, 1976 |
| 2 | 81 | Beeville Waterworks, Bee County, 1971-1975 |
| 2 | 82 | Belton Dam and Reservoir, Bell County, 1952-1975 |
| 2 | 83 | Belton Waterworks, Bell County, 1890-1975 |
| 2 | 84 | Benavides Salt Mines, Duval County, 1975-1976 |
| 2 | 85 | Benbrook Dam, Fort Worth, Tarrant County, 1975 |
| 2 | 86 | Ben Ficklin Dam, San Angelo, Tom Green County, 1936-1975 |
| 2 | 87 | Ben Friend Lime Plant, Lime City, Coryell County, 1975 |
| 2 | 88 | Benjamin Gooch and John W. Owen Gristmill, Knights Springs, Williamson County, 1976 |
| 3 | 1 | Benjamin Gooch and G. W. Glasscock Sr. Gristmill, Georgetown, Williamson County, undated |
| 3 | 2 | Bergstrom Air Force Base, Austin, Travis County, 1975 |
| 3 | 3 | Berry Durums Ferry, Jefferson, Marion County, 1975 |
| 3 | 4 | Berry-Gann Mill, Georgetown, Williamson County, 1976 |
| 3 | 5 | Bexar County Roads, Bexar County, 1974 |
| 3 | 6 | Bexar County Western Boundary Survey, Bexar and Edwards Counties, 1976 |
| 3 | 7 | Big Creek Oil Field, Fort Bend County, 1976 |
| 3 | 8 | Biggs Air Force Base, El Paso, Ell Paso County, 1975 |
| 3 | 9 | Biggs Airfield Balloon Hangar, Fort Bliss, El Paso County, 1976 |
| 3 | 10 | Biggers Irrigation Well, Lubbock, Lubbock County, 1971-1978 |
| 3 | 11 | Big Inch Line, Longview, Cass Gregg, and Marion Counties, 1976 |
| 3 | 12 | Big Lake Oil Fields, Texon, Reagan County, 1975 |
| 3 | 13 | Big Rocky Creek Iron Truss Bridge, Lavaca County, 1976 |
| 3 | 14 | Big Sandy Iron Truss Bridge, Big Sandy, Upshur County, 1975 |
| 3 | 15 | Big Spring, Big Spring, Howard County, 1952-1975 |
| 3 | 16 | Big Spring Army Air Force Bombardier School, Big Spring, Howard County 1975 |
| 3 | 17 | Big Spring Water System, Big Spring, Howard County, 1975 |
| 3 | 18 | Birds Fort Ranger Outpost, Arlington, Tarrant County, 1975 |
| 3 | 19 | Black Bridge, Calvert, Milam and Robertson Counties, 1976 |
| 3 | 20 | Blackland Army Air Field, Waco, McLennan County, 1975 |
| 3 | 21 | Blacks Fort, Burnet County, 1975 |
| 3 | 22 | Blackwell, Enid, and Texas Railway, Dallas and Tarrant Counties, 1975 |
| 3 | 23 | Blairs Fort, Desdemona, Eastland County, 1975 |
| 3 | 24 | Bland Lake Watermill, Bland Lake, San Augustine County, 1975-1976 and undated |
| 3 | 25 | Bluff Dale Public Well, Erath County, 1963-1975 |
| 3 | 26 | Bluff Cale Suspension Bridge, Erath County, 1974-1978 |
| 3 | 27 | Blumenthal Stationary Cotton Gin Steam Engine and Boiler, Gillespie County, 1952-1978 |
| 3 | 28 | Bob McBrayer Irrigation Well, Carson County, 1975 |
| 3 | 29 | Boca Chica Floating Bridge 1846, Cameron County, 1970-1975 |
| 3 | 30 | Boca Chica Railroad Trestle 1864-1865, Cameron County, 1970-1975 |
| Texas, 1839-1995 and undated | ||
| 3 | 31 | Bodan Lumber Mill, Pollock, Angelina County, 1952-1975 |
| 3 | 32 | Boggy Creek Iron Truss Bridge, Lavaca County, 1975-1976 |
| 3 | 33 | Bois DArc and Southern Railway, Dallas County, 1952-1975 |
| 3 | 34 | Bon Ami Saw Mill, Jasper County, 1952-1975 |
| 3 | 35 | Bonanza Lead-Silver Mine, Hudspeth County, 1976 |
| 3 | 36 | Bonham City Pumping Plant, Fannin County, 1973-1976 |
| 3 | 37 | Bonham Cotton Mill, Bonham, Fannin County, 1975-1976 |
| 3 | 38 | Bonham Foundry, Bonham, Fannin County, 1975-1976 |
| 3 | 39 | Bonham Ice Factory, Bonham, Fannin County, 1976 |
| 3 | 40 | Bonham Ice Service, Bonham, Fannin County, 1975-1976 |
| 3 | 41 | Bonham Sewage System, Bonham, Fannin County, 1975-1976 |
| 3 | 42 | Bonham Street Car, Bonham, Fannin County, 1975-1976 |
| 3 | 43 | Bonham Waterworks, Bonham, Fannin County, 1975-1976 |
| 3 | 44 | Bonner Mill and Shoe Factory, Stewards Mill, Freestone County, 1952-1975 |
| 3 | 45 | Boquillas Aerial Tramway, Big Bend National Park, 1932-1975 |
| 3 | 46 | Boquillas Mining Community, Boquillas, Brewster County, 1952-1975 |
| 3 | 47 | Bowie Coal Mine, Montague County, 1976 |
| 3 | 48 | Brackenridge Park Bridge, San Antonio, Bexar County, 1974-1975 |
| 3 | 49 | Brady Waterworks, McCulloch County, 1971-1975 |
| 3 | 50 | Brazoria Slave Canal, Lake Jackson, Brazoria County, 1976 |
| 3 | 51 | Brazos River Bridge at Grassdale, Parker County, 1976 |
| 3 | 52 | Brazos River Harbor, Brazosport, Brazoria County, 1891-1976 |
| 3 | 53 | Brazos River Lighthouse, Velasco, Brazoria County, 1970-1976 |
| 3 | 54 | Brazos River Lighthouse, Freeport, Brazoria County, 1977 |
| 3 | 55 | Brazos Santiago Depot, Port Isabel, Cameron County, 1974-1975 |
| 3 | 56 | Brazos Santiago Lighthouse, Padre Island, Cameron County, 1974-1978 and undated |
| 3 | 57 | Brazos Suspension Bridge on Highway 120, Young County, 1967-1976 |
| 3 | 58 | Brazos Valley Cotton Mill, West McLennan County, 1952-1976 |
| 3 | 59 | Brenham Waterworks, Brenham, Washington County, 1958-1974 |
| 3 | 60 | Bridgeport Coal Mines, Wise County, 1975-1976 |
| 3 | 61 | Bringle Lake and Bridge, Wambe, Bowie County, 1975-1976 |
| 3 | 62 | Broaddus-Zavala Bridge, Broaddus and Zavala, Angelina and San Augustine Counties, 1962-1976 |
| 3 | 63 | Brodbeck Airplane, Fredericksburg, Gillespie County, 1969-1976 |
| 3 | 64 | Bronte Iron Works, Coke County, 1971-1975 |
| 3 | 65 | Brooks Air Force Base (Gospert Field), San Antonio, Bexar County, 1952-1978 |
| 3 | 66 | Brownsville and Matamoros Bridge, Brownsville, Cameron County 1952-1975 |
| 3 | 67 | Brownsville Waterworks, Brownsville, Cameron County, 1948-1974 |
| 3 | 68 | Brownwood-Clovis Cutoff – Santa Fe Railway, Brownwood Texas to Clovis New Mexico, 1906-1978 |
| 3 | 69 | Brownwood Cotton Compress, Brown County, 1975 |
| 3 | 70 | Brownwood Gas and Electric Company, Brown County, 1973-1976 |
| 3 | 71 | Brownwood North and South Railway, Brown County, 1952-1975 |
| 3 | 72 | Brownwood Silver Strike, Brown County, 1976 |
| 3 | 73 | Brownwood Waterworks, Brown County, 1975 |
| 3 | 74 | Bruce Field, Ballinger, Runnels County, 1952-1975 |
| 3 | 75 | Brushy Creek Bridge, Fayette County, 1976 |
| 3 | 76 | Bryan and Central Texas Interurban, Bryan, Brazos County, 1952-1975 |
| 3 | 77 | Bryan and College Interurban Railway, Bryan, Brazos County, 1952-1975 |
| Texas, 1839-1995 and undated | ||
| 3 | 78 | Bryan Army Airfield, Bryan, Brazos County, 1952-1975 |
| 3 | 79 | Bryan Waterworks, Bryan, Brazos County, 1971-1975 |
| 3 | 80 | Buchanan Dam (Hamiltons Dam), Llano County, 1952-1987 |
| 3 | 81 | Buckners Creek Bridge, Fayette County, 1886-1978 |
| 3 | 82 | Buffalo Bayou, Brazos, and Colorado Railway, Harris, Fort Bend, Austin, and Colorado Counties, 1860-1975 |
| 3 | 83 | Buffalo Gap Railway Water System, Taylor County, 1957-1978 |
| 3 | 84 | Buffalo Wallow Gas Field, Hemphill County, 1967-1976 |
| 3 | 85 | Buffington Mining Camp, Guadalupe Mountains National Park, Culberson County, 1933-1975 |
| 3 | 86 | Burkburnett Oil Field, Wichita County, 1952-1975 |
| 3 | 87 | Burleson Place Irrigation System, Bastrop, Bastrop County, 1976 |
| 3 | 88 | Burlington-Rock Island Railroad, Freestone, Harris, and Madison Counties, 1952-1975 |
| 3 | 89 | Burnams Ferry (Burnhams Ferry), La Grange, Fayette County, 1952-1975 |
| 3 | 90 | Burrs Ferry, Browndell, and Chester Railroad, Jasper County, 1952-1975 |
| 3 | 91 | Burt Oil Refinery, 1972-1974 |
| 3 | 92 | Bushy Creek Bridge, Ellis County, 1975-1976 |
| 3 | 93 | Butterfield Trail, St. Louis Missouri to San Francisco California, 1925-1974 |
| 3 | 94 | Cable Tool Rig, Odessa, Ector County, 1976 |
| 3 | 95 | Cairo Springs Logging Camp, Cairo springs, Jasper County, 1952-1975 |
| 3 | 96 | Caldwell Ranch Suspension Bridge, Caldwell Ranch, Shackelford County, 1896-1978 |
| 3 | 97 | Caldwell Waterworks, Burleson County, 1971-1975 |
| 3 | 98 | Call Field, Wichita Falls, Wichita County, 1952-1975 |
| 3 | 99 | Callisburg Oil Field, Well #1, Callisburg, Cooke County, 1975 |
| 3 | 100 | Calvert Ice, Water, and Electric Plant, Calvert, Robertson County, 1910-1974 |
| 3 | 101 | Calvert Sewage System, Robertson County, 1915-1974 |
| 3 | 102 | Calvert, Waco, and Brazos Valley Railway, 1952-1975 |
| 3 | 103 | Cameron County Concrete Road, 1976 |
| 3 | 104 | Cameron Waterworks, Milam County, 1971-1975 |
| 3 | 105 | Camilla-Swarthour Ferry, San Jacinto County, 1975-1976 |
| 3 | 106 | Camp Barkeley, Abilene, Taylor County, 1952-1975 |
| 3 | 107 | Camp Bowie (Camp Bowie at Brownwood), Brown County, 1952-1975 |
| 3 | 108 | Camp Bowie (Camp Bowie at Fort Worth), Tarrant County, 1952-1975 |
| 3 | 109 | Camp Bullis, San Antonio, Bexar County, 1952-1975 |
| 3 | 110 | Camp Cooper, Throckmorton County, 1976 |
| 3 | 111 | Camp Fannin, Tyler, Smith County, 1952-1975 |
| 3 | 112 | Camp Howze, Gainesville, Cooke County, 1952-1975 |
| 3 | 113 | Camp Hulen, Matagorda County, 1952-1975 |
| 3 | 114 | Camp Logan, Houston, Harris County, 1952-1975 |
| 3 | 115 | Camp Mabry, Austin, Travis County, 1952-1975 |
| 3 | 116 | Camp McArthur, Waco, McLennan County, 1952-1975 |
| 3 | 117 | Camp Maxey, Paris, Lamar County, 1952-1975 |
| 3 | 118 | Camp Mystic, Hunt, Kerr County, 1952-1975 |
| 3 | 119 | Camp Roberts Well, Crosbyton, Crosby County, 1959-1976 |
| 3 | 120 | Camp Stanley (Camp Funston), Leo Springs, Bexar County, 1952-1975 |
| 3 | 121 | Camp Swift, Bastrop County, 1952-1975 |
| 3 | 122 | Camp Travis, San Antonio, Bexar County, 1952-1975 |
| 3 | 123 | Camp Verde, Kerr County, 1960-1976 |
| Texas, 1839-1995 and undated | ||
| 3 | 124 | Camp Wallace, Galveston County, 1952-1975 |
| 3 | 125 | Camp Wolters, Mineral wells, Palo Pinto County, 1952-1975 |
| 3 | 126 | Canadian River Highway Bridge at Electric City, Hutchinson County, 1975 |
| 3 | 127 | Canadian River Highway Bridge near Canadian, Hemphill County, 1976 |
| 3 | 128 | Cane Belt Railway, Wharton County, 1952-1975 |
| 3 | 129 | Cannon Ranch Railroad Eclipse Windmill, Sheffield, Pecos County, 1967-1973 |
| 3 | 130 | Cape Brown Silver Mine, Llano County, 1976 |
| 3 | 131 | Capitol Hotel PBX Board, Houston, Harris County, 1952-1975 |
| 3 | 132 | Cargray Plant – Hagy, Harrington, Marsh Carbon Black Plant, Carson County, 1975 |
| 3 | 133 | Carmona Sawmills, Carmona, Polk County, 1952-1975 |
| 3 | 134 | Caro Northern Railway, Nacodoches County, 1952-1975 |
| 3 | 135 | Carpenters Bluff Railroad Bridge, Red River, Grayson County Texas and Bryan County Oklahoma, 1974-1975 |
| 3 | 136 | Carswell Air Force Base (Tarrant Air Field), Fort Worth, Tarrant County, 1952-1975 |
| 3 | 137 | Castolon Portable Steam Engine, Castolon, Big Bend National Park, 1952-1978 |
| 3 | 138 | Castroville Waterworks, Medina County, 1975 |
| 3 | 139 | Catarina Dam and Reservoir, Catarina, Dimmit County, 1952-1975 |
| 3 | 140 | Cedar and Lytle Creek Dam, Abilene, Taylor County, 1971-1976 |
| 3 | 141 | Cedar Bayou Brickyards, Baytown, Harris County, 1975 |
| 3 | 142 | Cedar Creek Reservoir, Henderson and Kaufman Counties, 1965-1976 |
| 3 | 143 | Central and Montgomery Railroad, Grimes, Brazoria, Burleson, and Montgomery Counties, 1952-1975 |
| 3 | 144 | Central Texas and Northwestern Railroad (Waxahachie Tap Railroad), Ellis County, 1952-1975 |
| 3 | 145 | Central National Road of the Republic of Texas, San Antonio Texas to St. Louis Missouri, 1944-1976 |
| 3 | 146 | Central West Texas Oil Fields, Upton, Howard, Crane, and Glasscock Counties, 1952-1975 |
| 3 | 147 | Cessna C-34 1935 Aircraft, Brownwood, Brown County, 1975 |
| 3 | 148 | Chambers Creek Cast Iron Bridge, Ellis County, 1975-1976 |
| 3 | 149 | Champion Paper Mill, Pasadena, Harris county, 1952-1975 |
| 3 | 150 | Chautaugua Building, Waxahachie, Ellis County, 1973-1975 |
| 3 | 151 | Cherokee Iron Company, Texas Iron Industry, New Birmingham, Cherokee County, 1952-1974 |
| 3 | 152 | Cherokee Treaty Boundary Line, Henderson, Rusk County, 1976 |
| 3 | 153 | Chicago, Burlington, and Quincy Steam Locomotive Number 4994, Lubbock, Lubbock County, 1975-1978 |
| 3 | 154 | Chicago, Rock Island, And Gulf Railway, Tarrant and Dallas Counties, 1952-1975 |
| 3 | 155 | Chicago, Rock Island, and Texas Railway, Dallas, Montague, Tarrant, and Wise Counties, 1952-1975 |
| 3 | 156 | Chicago, Texas, and Mexican Central Railway (Dallas and Cleburne Railroad), Dallas County, 1952-1975 |
| 3 | 157 | Chihuahua Trail, Trail Laid out from Chihuahua Mexico to Saint Louis Missouri Across Texas, 1952-1975 |
| 3 | 158 | Childress Army Air Field, Childress County, 1952-1975 |
| 3 | 159 | Childress Waterworks, Childress County, 1971-1975 |
| 3 | 160 | Chireno Oil Field, Nacodoches County, 1976 |
| 4 | 1 | Chireno Railroad, Chireno, Nacodoches County, 1976 |
| Texas, 1839-1995 and undated | ||
| 4 | 2 | Chisum Trails, New Mexico, Colorado, and Texas, 1952-1975 |
| 4 | 3 | Choctaw, Oklahoma, and Texas Railroad, Potter County, 1952-1975 |
| 4 | 4 | Churchill Bridge, Brazoria County, 1952-1975 |
| 4 | 5 | Cibola Mine, Presidio County, 1976 |
| 4 | 6 | Cisco and Northeastern Railway, Eastland and Stephens Counties, 1952-1975 |
| 4 | 7 | Cisco Dam, Cisco, Eastland County, 1952-1978 |
| 4 | 8 | Cisco Swimming Pool, Eastland County, 1948-1978 |
| 4 | 9 | Clapps Ferry, Houston and Madison Counties, 1976 |
| 4 | 10 | Clear Creek Iron Truss Bridge, De Witt County, 1972-1975 |
| 4 | 11 | Clear Fork of the Brazos Iron Truss Bridge circa 1916 Willingham Land and Cattle Company, Scurry County, 1975 |
| 4 | 12 | Clear Fork of the Brazos Single Chord Iron Bridge circa 1916 Willingham Land and Cattle Company, Scurry County, 1975 |
| 4 | 13 | Cleburne Automatic Telephone Exchange 1903, Cleburne, Johnson County, 1952-1975 |
| 4 | 14 | Cleburne Electric and Gas Plant, Cleburne, Johnson County, 1973-1976 |
| 4 | 15 | Cleburne Waterworks, Johnson County, 1889-1978 |
| 4 | 16 | Clemens Dam, New Braunfels, Comal County, 1964-1978 |
| 4 | 17 | Cleopha Broussard Ferry, Port Arthur, Jefferson County, 1976 |
| 4 | 18 | Cliffside Helium Field, Amarillo, Potter County, 1952-1975 |
| 4 | 19 | Clifton Bosque River Old ridge, Clifton, Bosque County, 1976 |
| 4 | 20 | Clifton Electric System, Bosque County, 1976 |
| 4 | 21 | Clifton Wheat Mill, Bosque County, 1976 |
| 4 | 22 | Clint Ditch, Clint, El Paso County, 1975 and undated |
| 4 | 23 | Clinton, Oklahoma, and Western Railway, 1952-1975 |
| 4 | 24 | Clyde Waterworks, Clyde, Callahan County, 1971-1975 |
| 4 | 25 | Coldspring Saloon Well, Coldspring, San Jacinto County, 1975-1976 |
| 4 | 26 | Coleman Field, Coleman County, 1952-1975 |
| 4 | 27 | Coleman Waterworks, Coleman County, 1971-1975 |
| 4 | 28 | Colorado City Ice Plant, Colorado City, 1975 |
| 4 | 29 | Colorado City Sewage Treatment Plant, Mitchell County, 1968-1975 |
| 4 | 30 | Colorado City Waterworks, Mitchell County, 1889-1975 |
| 4 | 31 | Colorado Iron Truss Highway Bridge, Columbus, Colorado County, 1975-1976 |
| 4 | 32 | Colorado River Bridge on Ranch to Market Road 1431, Llano County, 1964-1976 |
| 4 | 33 | Colorado River Iron Truss Railroad Bridge, Columbus, Colorado County, 1976 |
| 4 | 34 | Colorado River Railroad Bridge, Lampasas and San Saba Counties, 1974-1975 |
| 4 | 35 | Colorado River Reinforced Concrete Arch Bridge, Austin, Travis County, 1910-1978 |
| 4 | 36 | Colorado River Suspension Bridge, Bend, Lampasas and San Saba Counties, 1970-1974 |
| 4 | 37 | Colorado River Truss Bridge on State Highway 71, Smithville, Bastrop County, 1970-1976 |
| 4 | 38 | Col-Tex Oil Refinery, Colorado City, Mitchell County, 1975 |
| 4 | 39 | Columbus Brick Water Tower, Colorado County, 1975-1976 |
| 4 | 40 | Columbus Waterworks, Colorado County, 1889-1975 |
| 4 | 41 | Comanche Waterworks, Comanche County, 1971-1975 |
| 4 | 42 | Comyn Oil Tank Farm, Comyn, Comanche County, 1965-1976 |
| 4 | 43 | Concho, San Saba, and Llano Valley Railway, in Runnels, Concho, Tom Green, and Sterling Counties, 1952-1975 |
| 4 | 44 | Concho Water Company, San Angelo, Tom Green County, 1976 |
| Texas, 1839-1995 and undated | ||
| 4 | 45 | Confederate Air Force, Harlingen, Cameron County, 1972-1978 |
| 4 | 46 | Connally Air Force Base (Waco Army Air Field), Waco, McLennan County, 1952-1975 |
| 4 | 47 | Conroe Covered Bridge, Montgomery County, 1965-1976 |
| 4 | 48 | Consolidated-Vultee Aircraft Plant (General Dynamics), Fort Worth, Tarrant County, 1958-1977 |
| 4 | 49 | Contraband Trace, Nacodoches County, 1952-1975 |
| 4 | 50 | Cooks Fort, Cherokee County, 1952-1975 |
| 4 | 51 | Cooper Wind-Powered Gristmill, Meridian, Bosque County, 1975-1975 |
| 4 | 52 | Copano Bay Causeway, Fulton, Aransas County, 1954-1978 |
| 4 | 53 | Cordes Cotton Gin, Freyburg, Fayette County, 1975 |
| 4 | 54 | Corpus Christi and South America Railway, Corpus Christi to Brownsville, 1890-1975 |
| 4 | 55 | Corpus Christi Causeways, Nueces and San Patricio Counties, 1916-1978 |
| 4 | 56 | Corpus Christi Harbor Improvements, Nueces County, 1890-1973 |
| 4 | 57 | Corpus Christi Naval Air Station (“University of the Air”), Corpus Christi, Bee, Kleberg and Nueces Counties, 1952-1975 |
| 4 | 58 | Corpus Christi Sea Wall, Nueces County, 1938-1987 and undated |
| 4 | 59 | Corpus Christi Ship channel Bridge, Nueces County, 1959-1976 |
| 4 | 60 | Corpus Christi Waterworks, Nueces County, 1939-1974 |
| 4 | 61 | Corsicana Oil Field, Navarro County, 1931-1975 and undated |
| 4 | 62 | Corsicana Waterworks, Corsicana, Navarro County 1889-1974 |
| 4 | 63 | Cotulla Railway Water System, La Salle County, 1975-1976 |
| 4 | 64 | Courtney Bridge, Courtney, Grimes, and Washington Counties, 1877-1975 |
| 4 | 65 | Cranfills Gap Telephone Company, Bosque County, 1976 |
| 4 | 66 | Cranston Pottery Kiln, Old Alton, Denton County, 1976 |
| 4 | 67 | Crazy Well, Mineral Wells, Palo Pinto County, 1952-1975 |
| 4 | 68 | Criswell Creek Bridge, Fayette County, 1899-1976 |
| 4 | 69 | Crockett Telephone Exchange, Houston County, 1975 |
| 4 | 70 | Crockett Waterworks and Sewage System, Houston County, 1975 |
| 4 | 71 | Crosby Irrigation Well, Lorenzo, Crosby County, 1976 |
| 4 | 72 | Crosbyton-South Plains and Santa Fe Railroad, Lubbock and Crosby Counties, 1952-1975 |
| 4 | 73 | Crosbyton Cotton Gin, Crosby County, 1976 |
| 4 | 74 | Crosbyton Sewage Plant, Crosby County, 1976 |
| 4 | 75 | Crowell Waterworks, Foard County, 1971-1975 |
| 4 | 76 | Cuero Field, Cuero, DeWitt County, 1952-1975 |
| 4 | 77 | Cuero Hydroelectric Plant, Cuero, DeWitt County, 1968-1978 and undated |
| 4 | 78 | Cuero Waterworks, DeWitt County, 1974-1975 |
| 4 | 79 | Cummings Mill, San Felipe, Austin County, 1952-1976 |
| 4 | 80 | Cunningham Paper Mill, Houston, Harris County, 1952-1975 |
| 4 | 81 | Cummins Creek Bridge – 1, Fayette County, 1890-1978 |
| 4 | 82 | Cummins Creek Bridge – 2, Fayette County, 1884-1976 |
| 4 | 83 | Cummins Creek Bridge – 3, Fayette County, 1895-1976 |
| 4 | 84 | Cunningham Paper Mill, Houston, Harris County, 1975 |
| 4 | 85 | Curtis Field, Brady, McCulloch County, 1952-1975 |
| 4 | 86 | Curtis McGehee Homemade Large Diameter Windmill, Wayside, Armstrong County 1966-1975 |
| 4 | 87 | Cypress Mill (Fuchs Mill), Blanco County, 1975 |
| Texas, 1839-1995 and undated | ||
| 4 | 88 | Cypress-Swanano Civil War Canal System, Pittsburg, Camp County, 1975-1976 |
| 4 | 89 | D/A Manufacturing Company, Tulia, Swisher County, 1977 |
| 4 | 90 | Daingerfield Blast Furnace, Morris County, 1965-1977 |
| 4 | 91 | Dalhart Army Air Field, Dallam County, 1952-1975 |
| 4 | 92 | Dallas and Greenville Railway, 1952-1975 |
| 4 | 93 | Dallas and Waco Railway, Dallas and Hill Counties, 1952-1975 |
| 4 | 94 | Dallas and Wichita Railway, Dallas and Wichita Counties, 1952-1975 |
| 4 | 95 | Dallas, Cleburne, and Southwestern Railway, Johnson County, 1952-1975 |
| 4 | 96 | Dallas Concrete Pipe Factory, Dallas County, 1972-1974 |
| 4 | 97 | Dallas Drainage Tunnel, Dallas County, 1963-1976 |
| 4 | 98 | Dallas-Fort Worth Pike, Dallas and Fort Worth, Dallas and Tarrant Counties, 1973-1976 |
| 4 | 99 | Dallas Naval Air Station, Dallas County, 1952-1975 |
| 4 | 100 | Dallas –Oak Cliff Viaduct, Dallas County, 1911-1978 |
| 4 | 101 | Dallas, Palestine, and Southeast Railroad, Dallas County, 1952-1975 |
| 4 | 102 | Dallas Sewage System, Dallas County, 1974 |
| 4 | 103 | Dallas Terminal Railway, Dallas County, 1952-1975 |
| 5 | 1 | Dallas Union Station, Dallas County, 1914-1978 |
| 5 | 2 | Dallas Union Station Electric Power Plant, Dallas County, 1975 |
| 5 | 3 | Dallas Waterworks, Dallas County, 1893-1975 |
| 5 | 4 | Damsite Construction Camp, Hardeman County, 1952-1975 |
| 5 | 5 | Dayton-Goose Creek Railroad, Harris County, 1952-1975 |
| 5 | 6 | Dayton Salt Mine, Liberty County, 1975-1976 |
| 5 | 7 | Daytons Road, Red River county, 1952-1975 |
| 5 | 8 | Dean Telephone Company, Barksdale, Edwards, Kinney, Real, and Uvalde Counties, 1976 |
| 5 | 9 | Decatur Lime Kiln, Wise County, 1975-1976 |
| 5 | 10 | Decatur Mill, Wise County, 1975-1976 |
| 5 | 11 | Decatur Old Stone Prison, Wise County, 1975-1976 |
| 5 | 12 | Decatur Power Plant, Wise County, 1973-1976 |
| 5 | 13 | Decatur Waterworks, Wise County, 1890-1975 |
| 5 | 14 | Decros Point Lighthouse, Matagorda County, 1974 |
| 5 | 15 | DeKalb and Red River Railroad, Bowie County, 1952-1975 |
| 5 | 16 | De Leon Waterworks, Comanche County, 1971-1975 |
| 5 | 17 | Del Rio Waterworks, Val Verde County, 1890-1975 |
| 5 | 18 | Denison and Pacific Railway, Grayson and Cooke Counties, 1952-1975 |
| 5 | 19 | Denison and Southeastern Railway, Grayson and Hunt Counties, 1952-1975 |
| 5 | 20 | Denison and Washita Valley Railway, Warner Junction, Grayson County, 1952-1975 |
| 5 | 21 | Denison, Bonham, and New Orleans Railroad, Fannin and Grayson Counties, 1952-1975 |
| 5 | 22 | Denison City Manganese Mine, Grayson County, 1976 |
| 5 | 23 | Denison Dam, Grayson County, 1973-1976 |
| 5 | 24 | Denison Waterworks, Grayson County, 1890-1974 |
| 5 | 25 | Denning Iron Bridge, Denning, San Augustine County, 1967-1975 |
| 5 | 26 | Denton Field, Denton County, 1952-1975 |
| 5 | 27 | Deport Steel Bridge, Lamar County, 1975-1976 |
| 5 | 28 | De Rose Ind. Inc., Bonham, Fannin County, 1975-1976 |
| 5 | 29 | Desdemona Oil Field, Eastland County, 1952-1978 |
| Texas, 1839-1995 and undated | ||
| 5 | 30 | Devils River Bridge, Val Verde County, 1963-1976 |
| 5 | 31 | Devils River Railroad Bridge, Val Verde County, 1963-1976 |
| 5 | 32 | Devine Waterworks, Medina County, 1971-1975 |
| 5 | 33 | Diamond F Ranch Water Well, Carson County, 1975 |
| 5 | 34 | Diboll Domestic Water Distillation System, Diboll, Angelina County, 1971-1975 |
| 5 | 35 | Dickson Gun Plant, Houston, Harris County, 1952-1975 |
| 5 | 36 | Dixie Ranch Windmill Water System, Lubbock County, 1975 |
| 5 | 37 | D. L. McDonald Frio Draw Irrigation Well 1910, Frio Draw, Deaf Smith County, 1975 |
| 5 | 38 | Doans Crossing, Wilbarger County Texas and Jackson County Oklahoma, 1952-1975 |
| 5 | 39 | Donnell Mill and Dam, Eliasville, Young County, 1965-1975 |
| 5 | 40 | Don Patricio Causeway 1927, Corpus Christi to Padre Island, Nueces County, 1931-1978 |
| 5 | 41 | Double File Trail, Williamson County, 1975-1976 |
| 5 | 42 | Douglas Brick Plant, Douglas, Nacodoches County, 1975 |
| 5 | 43 | Dr. A. V. Doak Trolley, Taylor, Williamson County, 1975-1976 |
| 5 | 44 | Droemers Brick Kiln, Giddings, Lee County, 1972-1978 |
| 5 | 45 | Dr. Pepper Bottling Company, Dublin, Erath County, 1976 |
| 5 | 46 | Dryenforth Rain Making Experiments, Andrews County, 1891-1974 |
| 5 | 47 | Dublin Mill and Elevator Company, Erath County, 1975-1976 |
| 5 | 48 | Dublin Quarry, Erath County, 1975-1976 |
| 5 | 49 | Duncan Field, San Antonio, Bexar County, 1952-1975 |
| 5 | 50 | Eagle Coal Mine, Hudspeth County, 1976 |
| 5 | 51 | Eagle Lake Reservoir, Colorado River, Colorado County, 1952-1974 |
| 5 | 52 | Eagle Lake Waterworks, Colorado County, 1971-1975 |
| 5 | 53 | Eagle Mountain Lake, Fort Wroth, Tarrant and Wise Counties, 1952-1975 |
| 5 | 54 | Eagle Nest Canyon Bridge, Langtry, Val Verde County, 1969-1976 |
| 5 | 55 | Eagle Pass Army Air Field, Eagle Pass, Maverick County, 1952-1975 |
| 5 | 56 | Eagle Pass Waterworks, Maverick County, 1971-1975 |
| 5 | 57 | Eagle Spring Stage Stand, Hudspeth County, 1975 |
| 5 | 58 | Eastern Texas Railroad, Newton and Rusk Counties, 1952-1975 |
| 5 | 59 | East Fork of Double Bayou Iron Bridge, Double Bayou, Chambers County, 1975 |
| 5 | 60 | Eastland, Wichita Falls, and Gulf Railroad, Eastland County, 1952-1975 |
| 5 | 61 | East Line and Red River Railroad, Marion and Hunt Counties, 1952-1975 |
| 5 | 62 | East Navidad River Iron Truss Bridge, Fayette County, 1885-1976 |
| 5 | 63 | East Texas and Gulf Railway, Tyler County, 1952-1975 |
| 5 | 64 | East Texas Lime Kilns, Gillespie County, 1975-1976 |
| 5 | 65 | East Texas Oil Field, Upshur, Gregg, Rusk, Smith, and Cherokee Counties, 1930-1978 |
| 5 | 66 | East Texas Railroad (Sabine and East Texas Railway), Hardin, Jefferson, and Tyler Counties, 1952-1975 |
| 5 | 67 | Ector County Oil Field, Ector County, 1952-1975 |
| 5 | 68 | Edwards County Southern Boundary Survey, Edwards, Real, Kinney, and Uvalde Counties, 1976-1979 |
| 5 | 69 | El Camino Del Rio, Brewster and Presidio County, 1961-1976 |
| 5 | 70 | El Camino Real (Old San Antonio Road), Monclova Mexico to East Texas, 1973-1975 |
| 5 | 71 | Electra Oil Field, Wichita County, 1923-1978 |
| 5 | 72 | E. L. Johnson Cotton Gin, Tundra, Van Zandt County, 1952-1975 |
| Texas, 1839-1995 and undated | ||
| 5 | 73 | Elm Creek Irrigation System, Runnels County, 1976 |
| 5 | 74 | Elm Creek Windmill, Runnels County, 1976 |
| 5 | 75 | Elm Fork Bridge, Dallas, Dallas County, 1975-1976 |
| El Paso Acequias, 1914-1975 and undated | ||
| 5 | 76 | Alderete Acequia (Alderete Branch of the Ysleta Ditch), El Paso County, 1975 and undated |
| 5 | 77 | Franklin Canal, El Paso County, 1914-1978 and undated |
| 5 | 78 | International Acequia (Guadalupe Acequia), El Paso County, 1975 and undated |
| 5 | 79 | Jornada Acequia (Franklin Canal), El Paso County, 1975 and undated |
| 5 | 80 | Peña Acequia (Queris Acequia, Franklin Canal), El Paso County, 1975 and undated |
| 5 | 81 | Salatral Acequia (San Elizario Ditch, Island Feeder Canal), El Paso County, 1975 and undated |
| 5 | 82 | San Elizario Acequia (Acequia Madre), El Paso County, 1975 and undated |
| 5 | 83 | San Jose Acequia (Franklin Canal), El Paso County, 1975 and undated |
| 5 | 84 | Socorro Acequia (Acequia Madre), El Paso County, 1975 and undated |
| 5 | 85 | Ysla Acequia (Isla Acequia), El Paso County, 1975 and undated |
| 5 | 86 | Ysleta Acequia, El Paso County, 1959-1978 |
| 5 | 87 | El Paso and Northeastern Railroad, El Paso County, 1952-1975 |
| 5 | 88 | El Paso And Southwestern Railroad, El Paso County, 1952-1975 |
| 5 | 89 | El Paso Bicycle Race Track, El Paso County, 1973-1974 |
| 5 | 90 | El Paso Bridge, El Paso County, 1972-1974 |
| 5 | 91 | El Paso Compressor Transmission Engine, Odessa, Ector County, 1976 |
| 5 | 92 | El Paso Highway Bridge, El Paso County, 1973-1974 |
| 5 | 93 | El Paso Marble, El Paso County, 1976 |
| 5 | 94 | El Paso Railroad Roundhouse, El Paso County, 1965-1976 |
| 5 | 95 | El Paso Sewage System, El Paso County, 1913-1974 |
| 5 | 96 | El Paso Silver Mine, El Paso County, 1922-1976 and undated |
| 5 | 97 | El Paso Smelting Works, El Paso County, 1892-1978 |
| 5 | 98 | El Paso Southern Railway, El Paso County, 1952-1975 |
| 5 | 99 | El Paso Terminal Railroad, El Paso County, 1952-1975 |
| 5 | 100 | El Paso Valley Interurban and Street Railways, El Paso County, 1960-1974 |
| 5 | 101 | El Paso Valley Irrigation, near El Paso, El Paso County, 1869-1974 |
| 5 | 102 | El Paso Waterworks, El Paso County, 1893-1978 and undated |
| 6 | 1 | El Sal Del Rey, Hidalgo County, 1952-1977 |
| 6 | 2 | Ellington Air Force Base (Ellington Field), Houston, Harris County, 1952-1975 |
| 6 | 3 | Ellison Creek Reservoir, Daingerfield, Morris County, 1952-1975 |
| 6 | 4 | Ennis Railway Shops and Locomotive Roundhouse, Ennis, Ellis County, 1975-1976 |
| 6 | 5 | Ennis Sewage System, Ellis County, 1973-1974 |
| 6 | 6 | Eppersons Ferry, Sulphur River, Bowie County, 1952-1975 |
| 6 | 7 | Eureka Mill, Jonah, Williamson County, 1975-1976 |
| 6 | 8 | Ezzell Iron Truss Bridge, Lavaca County, 1974-1976 |
| 6 | 9 | Falcon Dam, Starr and Zapata Counties, 1970-1975 |
| 6 | 10 | Falcon Lake Boat Ramp, Zapata County, 1965-1976 |
| 6 | 11 | Falfurrias and Encino Highway, Brooks County, 1973-1976 |
| 6 | 12 | Falfurrias Gypsum Mine, Brooks County, 1975 |
| 6 | 13 | Fannett Oil Field, Jefferson County, 1976 |
| 6 | 14 | Fanthorp Inn, Anderson, Grimes County, 1970-1975 |
| Texas, 1839-1995 and undated | ||
| 6 | 15 | Feeder Creek Bridge, Smithville, Bastrop County, 1959-1976 |
| 6 | 16 | Ferrels Bridge Dam and Lake O the Pines in Camp, Harrison, Marion, Morris, and Upshur Counties, 1975-1976 |
| 6 | 17 | Ferris Brick Plant, Ferris, Ellis County, 1975-1976 |
| 6 | 18 | Fifth Ferrying Group, Dallas, Dallas County, 1952-1975 |
| 6 | 19 | Fin Brick and Tile Company, Kosse, Falls County, 1976 |
| 6 | 20 | Firefly (Rail Line), Jack, Wise, and Young Counties, 1974-1976 |
| 6 | 21 | Fishers Mill (Bonham Roller Mill), Bonham, Fannin County, 1975 |
| 6 | 22 | Flat Iron Building, Fort Worth, Tarrant County, 1906-1978 and undated |
| 6 | 23 | Fletchers Donley Stage Station, Hemphill County, 1970-1976 and undated |
| 6 | 24 | Foard County Copper Mines, Foard County, 1952-1975 |
| 6 | 25 | Ford and Neighbors Trail, Austin to El Paso, Travis, Concho, Crane, Irion, and El Paso Counties, 1952-1975 |
| 6 | 26 | Fort Anahuac, Anahuac, Chambers County, 1952-1975 |
| 6 | 27 | Fort Belknap, Newcastle Young County, 1968-1976 |
| 6 | 28 | Fort Belknap Water System, Newcastle, Young County, 1974-1975 |
| 6 | 29 | Fort Bend, Richmond, Bend County, 1952-1975 |
| 6 | 30 | Fort Bliss, El Paso, El Paso County, 1952-1975 |
| 6 | 31 | Fort Bliss Military Waterworks, El Paso, El Paso County, 1971-1976 |
| 6 | 32 | Fort Boggy, Centerville, Leon County, 1952-1975 |
| 6 | 33 | Fort Brown, Brownsville, Cameron County, 1952-1975 |
| 6 | 34 | Fort Chadburne, Runnels County, 1968-1976, and undated |
| 6 | 35 | Fort Cienega, Shafter, Presidio County, 1952-1975 |
| 6 | 36 | Fort Clark (Fort Riley), Brackettville, Kinney County, 1952-1975 |
| 6 | 37 | Fort Concho, San Angelo, Tom Green County, 1968-1976 |
| 6 | 38 | Fort Croghan, Burnet, Burnet County, 1952-1976 |
| 6 | 39 | Fort D. A. Russel (Camp Marfa), Marfa, Presidio County, 1952-1975 |
| 6 | 40 | Fort Davis, Jeff Davis County, 1966-1976 |
| 6 | 41 | Fort Davis Water System, Fort Davis National Historic Site, Jeff Davis County, 1969-1978 and undated |
| 6 | 42 | Fort Fisher, McLennan County, 1971-1976 |
| 6 | 43 | Fort Gates, Gatesville, Coryell County, 1952-1975 |
| 6 | 44 | Fort Griffin Shackelford County, 1968-1976 |
| 6 | 45 | Fort Griffin Brazos Bridge, Fort Griffin, Shackelford County, 176-1979 and undated |
| 6 | 46 | Fort Hancock Railway Water System, Fort Hancock, Hudspeth County, 1971-1978 |
| 6 | 47 | Fort Hood (Camp Hood), Fort Hood, Coryell County, 1952-1975 |
| 6 | 48 | Fort Houston, Palestine, Anderson county, 1952-1975 |
| 6 | 49 | Fort Inglish, Bonham, Fannin County, 1952-1975 |
| 6 | 50 | Fort Lancaster, Crockett County, 1968-1976 |
| 6 | 51 | Fort Leaton, Presidio, Presidio County, 1952-1975 |
| 6 | 52 | Fort Mason, Mason, Mason County, 1968-1976 and undated |
| 6 | 53 | Fort McKavett, Menard County, 1968-1976 and undated |
| 6 | 54 | Fort Moritas (El Morita), Shafter, Presidio County, 1952-1975 |
| 6 | 55 | Fort Parker, Limestone County, 1968-1975 |
| 6 | 56 | Fort Phantom Hill, Abilene, Jones County, 1974-1976 |
| 6 | 57 | Fort Picketville, Breckenridge, Stephens County, 1952-1975 |
| 6 | 58 | Fort Ramirez, Live Oak County, 1952-1975 |
| 6 | 59 | Fort Richardson, Jacksboro, Jack County, 1968-1976 and undated |
| 6 | 60 | Fort Sabine (Fort Griffin), Sabine, Jefferson County, 1952-1975 |
| Texas, 1839-1995 and undated | ||
| 6 | 61 | Fort Sam Houston, San Antonio, Bexar County, 1952-1975 |
| 6 | 62 | Fort St. Louis, Jackson County, 1959-1975 |
| 6 | 63 | Fort Stockton Field (Gibbs Field), Pecos County, 1952-1975 |
| 6 | 64 | Fort Teran, Colmesneil, Tyler County, 1975-1976 |
| 6 | 65 | Fort Warren (Fort Kitchen), Old Warren, Fannin and Grayson Counties, 1952-1975 |
| 6 | 66 | Fort Worth and Denver City Depot, Bowie, Montague County, 1974-1975 |
| 6 | 67 | Fort Worth and Denver City Railway (Texas Panhandle Route), Tarrant and Wichita Counties, 1952-1975 |
| 6 | 68 | Fort Worth and Denver Northern Railway, Childress and Gray Counties, 1952-1975 |
| 6 | 69 | Fort Worth and Denver South Plains Railway, Childress, Lubbock, and Castro counties, 1975 |
| 6 | 70 | Fort Worth and Denver Terminal Railway, Tarrant County, 1952-1975 |
| 6 | 71 | Fort Worth and New Orleans Railway, Tarrant and Ellis Counties, 1952-1975 |
| 6 | 72 | Fort Worth and Rio Grande railway, Fort Worth to Brownwood, Comanche, Erath, Tarrant, Brown, and Coleman Counties, 1952-1975 |
| 6 | 73 | Fort Worth Belt Railway (Ft. Worth Stockyards Belt Railway), Tarrant County, 1952-1975 |
| 6 | 74 | Fort Worth – Cleburne Interurban, Tarrant and Johnson Counties, 1960-1974 |
| 6 | 75 | Fort Worth Natural Gas and Artesian Water Company, Tarrant County, 1976 |
| 6 | 76 | Fort Worth Quartermaster Depot, Tarrant County, 1952-1975 |
| 6 | 77 | Fort Worth Salt Company Salt Mines, Colorado City, Mitchell County, 1975 |
| 6 | 78 | Fort Worth Stockyards, Tarrant County, 1933-1978 |
| 6 | 79 | Fort Worth Waterworks, Tarrant County, 1894-1974 |
| 6 | 80 | Foster Army Air Field, Victoria County, 1952-1975 |
| 6 | 81 | Four Mile Dam and Irrigation Ditches, Junction, Kimble County, 1975 |
| 6 | 82 | Fredericksburg and Northern Railway, Kerr and Gillespie County, 1952-1977 |
| 6 | 83 | Fredericksburg and Northern Railroad Tunnel, Gillespie County, 1975 |
| 6 | 84 | Fredericksburg Gun and Ammo Factory, Fredericksburg, Gillespie County, 1975-1976 |
| 6 | 85 | Fredonia Townsite, Longview, Gregg County, 1976 |
| 6 | 86 | Fulton Refrigerated Slaughterhouse, Fulton, Aransas County |
| 6 | 87 | G. A. Kelly Plow Company, Longview, Gregg County, 1919-1976 |
| 6 | 88 | G. W. Jones Steam Cotton gin and Gristmill, Smithville, Bastrop, 1975 |
| 6 | 89 | Gabriel Mill, Gabriel Mills, Williamson County, 1975-1976 |
| 6 | 90 | Gaines Ferry, Sabine County, 1952-1975 |
| 6 | 91 | Gainesville Electric Power Plant, Gainesville, Cooke County, 1973-1976 |
| 6 | 92 | Gainesville, Henrietta, and Western Railway, Cooke, Montague, and Clay Counties, 1952-1975 |
| 6 | 93 | Gainesville Santa Fe Railroad Depot, Gainesville, Cooke County, 1975 |
| 6 | 94 | Gainesville Waterworks, Cooke County, 1890-1975 |
| 6 | 95 | Galveston and Western Railroad, Galveston County, 1952-1975 |
| 6 | 96 | Galveston Artesian Well, Galveston County, 1976 |
| 6 | 97 | Galveston Bay Bridge, Galveston, Galveston County, circa 1859-1976 |
| 6 | 98 | Galveston and Brazos Navigation Company Canal, Brazoria County, 1952-1975 |
| 6 | 99 | Galveston, Brazos, and Colorado Railroad, Galveston, Galveston County, 1952-1975 |
| 6 | 100 | Galveston Causeway, Galveston, Galveston County, 1909-1978 |
| Texas, 1839-1995 and undated | ||
| 7 | 1 | Galveston Grade Raising, Galveston, Galveston County, 1905-1975 |
| 7 | 2 | Galveston Harbor Improvements, Galveston, Galveston County, 1877-1976 and undated |
| 7 | 3 | Galveston, Harrisburg, and San Antonio Railroad (Buffalo Bayou, Brazos, and Colorado Railroad), Bexar and Colorado Counties, 1952-1975 |
| 7 | 4 | Galveston Highway Bridge, Galveston County, 1893-1976 |
| 7 | 5 | Galveston, Houston, and Henderson Railroad, Galveston and Harris Counties, 1952-1975 |
| 7 | 6 | Galveston, Houston, and Northern Railway, Harris and Galveston Counties, 1952-1975 |
| 7 | 7 | Galveston – Houston Interurban, Galveston and Harris Counties, 1960-1978 |
| 7 | 8 | Galveston – Houston Long Distance Telephone Line, Galveston and Harris Counties, 1952-1975 |
| 7 | 9 | Galveston Military Fortifications, Fort Crockett, Fort San Jacinto, and Fort Travis, Galveston County, 1950-1978 |
| 7 | 10 | Galveston, Sabine, and St. Louis Railway, Polk County, 1952-1975 |
| 7 | 11 | Galveston Seawall, Galveston County, 1900-1975 |
| 7 | 12 | Galveston Street Railways, Galveston County, 1974 |
| 7 | 13 | Galveston Telephone Exchange 1879, Galveston County, 1952-1975 |
| 7 | 14 | Galveston Terminal Railway, Galveston County, 1952-1975 |
| 7 | 15 | Galveston Waterworks, Galveston County, 1889-1986 and undated |
| 7 | 16 | Galveston Wood Preserving Plant, Galveston County, 1894-1974 |
| 7 | 17 | Garner Army Airfield, Uvalde, Uvalde County, 1952-1975 |
| 7 | 18 | Garrett Bridge, San Augustine County, 1975-1976 |
| 7 | 19 | Garrison Coal Mines, Garrison, Nacodoches County, 1952-1975 |
| 7 | 20 | Garwood Irrigation Company, Garwood, Colorado County, 1975-1976 |
| 7 | 21 | Gasoline Gin, Briscoe County, 1952-1975 |
| 7 | 22 | Gatesville Oil Strike, Coryell County, 1976 |
| 7 | 23 | General Zachary Taylors Headquarters Building, Santa Maria, Cameron County, 1975 |
| 7 | 24 | Gentrys Mill, Hamilton County, 1952-1975 |
| 7 | 25 | Georgetown and Granger Railroad, Granger, Williamson County, 1975-1976 |
| 7 | 26 | Georgetown Brick Kiln, Georgetown, Williamson County, 1975-1976 |
| 7 | 27 | Georgetown Oil Mill, Williamson County, 1975-1976 |
| 7 | 28 | Georgetown Railroad, Williamson County, 1975 |
| 7 | 29 | Georgetown Round Rock Telegraph, Georgetown, Williamson County, 1975-1976 |
| 7 | 30 | Georgetown Telephone System, Williamson County, 1975-1976 |
| 7 | 31 | Georgetown Waterworks, Williamson County, 1890-1975 |
| 7 | 32 | George Strauch Homemade Windmill, Refugio, Refugio County, 1975 |
| 7 | 33 | Glasscock Windmill Irrigation System, Midland County, 1975 |
| 7 | 34 | Glazier Ochiltree Trail, Hemphill, Lipscomb, and Ochiltree Counties, 1975-1976 |
| 7 | 35 | Glenmore Dam, San Angelo, Tom Green County, 1975 |
| 7 | 36 | Goldthwaite Railway Water System, 1971-1975 and undated |
| 7 | 37 | Goldthwaite Well, Mills County, 1975 |
| 7 | 38 | Goliad T and Norr Underpass, Goliad, Goliad County, 1975-1976 |
| 7 | 39 | Goliad Water and Light Company, Goliad Company, 1974-1975 |
| 7 | 40 | Gonzales Branch Railroad, Gonzales County, 1952-1975 |
| 7 | 41 | Gonzales Covered Bridge, Gonzales, Gonzales County, 1976 |
| 7 | 42 | Gonzales Highway Bridge Failure, Colorado River, Gonzales County, 1974 |
| 7 | 43 | Gonzales Hydroelectric Plant, Gonzales County, 1978 |
| Texas, 1839-1995 and undated | ||
| 7 | 44 | Gonzales Iron Truss bridge, near Gonzales, Gonzales County, 1967-1978 |
| 7 | 45 | Gonzales Steel-Plate Dam, Gonzales County, 1975-1976 |
| 7 | 46 | Gonzales Waterworks, Gonzales County, 1890-1974 |
| 7 | 47 | Goodfellow Air Force Base (Goodfellow Field, San Angelo Air Field), San Angelo, Tom Green County, 1952-1975 |
| 7 | 48 | Goodnight-Loving Trail, Young and Loving Counties, 1952-1975 |
| 7 | 49 | Goose Creek Oil Field, Goose Creek, Harris County, 1952-1974 |
| 7 | 50 | Gorman Waterworks, Gorman, Eastland County, 1971-1975 |
| 7 | 51 | Gospel Hill Quarries, Hopkins County, 1976 |
| 7 | 52 | Gotcher Trace, Bastrop, Austin, Fayette, and Lee Counties, 1975 |
| 7 | 53 | Graham Waterworks, Graham, Young County, 1971-1975 |
| 7 | 54 | Grandfield Bridge, Wichita County, 1975 |
| 7 | 55 | Grand Saline Salt Works, Grand Saline, Van Zandt County, 1892-1976 and undated |
| 7 | 56 | Granger, Georgetown, Austin, and San Antonio Railway, Williamson County, 1952-1975 |
| 7 | 57 | Granite Mountain and Marble Falls City Railroad, Burnet County, 1952-1975 |
| 7 | 58 | Granite Mountain Quarry, Marble Falls, Burnet County, 1904-1978 and undated |
| 7 | 59 | Grassdale Brazos River Bridge, Grassdale, Parker County, 1976 |
| 7 | 60 | Grayburg Sawmill, Hardin County, 1952-1975 |
| 7 | 61 | Green Machine Company, Plainview, Hale County, 1976 |
| 7 | 62 | Green Tank, Post, Garza County, 1964-1976 |
| 7 | 63 | Greenville and Northwestern Railway, Collin County, 1952-1975 |
| 7 | 64 | Greenville Tie and Timber Preserving Plant, Missouri, Kansas, and Texas Railway, Greenville, Hunt County, 1974 |
| 7 | 65 | Greenville Waterworks, Greenville, Hunt County, 1974-1975 |
| 7 | 66 | Gregg Street Viaduct, Big Spring, Howard County, 1965-1976 |
| 7 | 67 | Griffin Graffin Land Corner, Val Verde County, 1952-1975 |
| 7 | 68 | Groom Waterworks, Groom, Carson County, 1971-1975 |
| 7 | 69 | Grove Creek Bridge, Ike, Ellis County, 1975-1976 |
| 7 | 70 | Groveton, Lufkin, and Northern Railway, Trinity County, 1952-1975 |
| 7 | 71 | Guadalupe River Bridge, New Braunfels, Comal County, 1975-1976 |
| 7 | 72 | Guffey Oil Refinery, Port Arthur, Jefferson County, 1974 |
| 7 | 73 | Gulf and Interstate Railway, Galveston, Chambers, and Jefferson Counties, 1952-1975 |
| 7 | 74 | Gulf and Northern Railroad, Newton County, 1952-1975 |
| 7 | 75 | Gulf, Beaumont, and Kansas City Railroad, Jasper and Jefferson Counties, 1952-1975 |
| 7 | 76 | Gulf, Beamont, and Great Northern Railway, Jasper, Sabine, and San Augustine Counties, 1952-1975 |
| 7 | 77 | Gulf Coast Rice Irrigation, Southeast Texas Coast, 1901-1976 |
| 7 | 78 | Gulf Coast Salt Mines, Harris Duval, Hidalgo, Willacy, and Van Zandt Counties, 1952-1974 |
| 7 | 79 | Gulf Coast Sulphur Wells, Brazoria, Fort Bend, Matagorda, and Wharton Counties, 1952-1974 |
| 7 | 80 | Gulf, Colorado, and Santa Fe Railway, Bell, Fort Bend, Johnson, and Milam Counties, 1952-1978 |
| 7 | 81 | Gulf, Colorado, and Santa Fe Railroad Passenger Station, Fort Worth, Tarrant County, 1971-1978 |
| 7 | 82 | Gulf Oil Well Number II (Discovery Well in Panhandle Field), Carson County, 1975 |
| 7 | 83 | Gulf Sulphur Mine, Gulf, Matagorda County, 1952-1975 |
| Texas, 1839-1995 and undated | ||
| 7 | 84 | Gulf, Texas, and Western Railroad, Archer, Baylor, Jack, Palo Pinto, and Young Counties, 1952-1975 |
| 8 | 1 | Gum Spring Sawmill, Fischer, Comal County, 1952-1975 |
| 8 | 2 | Guthrie Copper Mines, Guthrie, King County, 1976 |
| 8 | 3 | G. W. Jones Steam Cotton Gin and Gristmill, Smithville, Bastrop County, 1952-1975 |
| 8 | 4 | Hall Bridge, Denning, San Augustine County, 1975 |
| 8 | 5 | Halpins Wool Scouring Plant, Colorado City, Mitchell County, 1975 |
| 8 | 6 | Hamilton Field, Hamilton, Hamilton County, 1952-1975 |
| 8 | 7 | Hamilton Mine, Marathon, Brewster County, 1976 |
| 8 | 8 | Hamlin and Northwestern Railway, Jones an Stonewall Counties, 1952-1975 |
| 8 | 9 | Hangar Nine (Edward H. White II Museum), San Antonio, Bexar County, 1971-1978 |
| 8 | 10 | Hankamer – Stowell Canal, Hankamer, Chambers County, 1975 |
| 8 | 11 | Hardie Quarry, Laredo, Webb County, 1976 |
| 8 | 12 | Hargraves Ferry, Jefferson County, 1976 |
| 8 | 13 | Harlingen Army Air Field, Harlingen, Cameron County, 1952-1978 |
| 8 | 14 | Harris County Domed Stadium (Astrodome), Houston, Harris County, 1965-1976 and undated |
| 8 | 15 | Hartz Lignite Mine, Eagle Pass, Maverick County, 1976 |
| 8 | 16 | Hastings Oil Field, Hastings, Brazoria County, 1952-1975 |
| 8 | 17 | Hays County Hard Surfaced Road, Hays County, 1976 |
| 8 | 18 | Hazel Mine, Culberson County, 1952-1975 |
| 8 | 19 | Hearne and Brazos Railway, Robertson and Brazos Counties, 1952-1975 |
| 8 | 20 | Heinn Grain Elevator, Crosbyton, Crosby County, 1976 |
| 8 | 21 | Henderson and Overton Branch Railroad, Rusk County, 1952-1975 |
| 8 | 22 | Henderson Sewer System, Henderson, Rusk County, 1976 |
| 8 | 23 | Henderson Town Survey, Rusk County, 1976 |
| 8 | 24 | Henrietta Waterworks, Henrietta, Clay County, 1974 |
| 8 | 25 | Hensley Field, Dallas, Dallas County, 1952-1975 |
| 8 | 26 | Herald Bank Lightship, off Galveston, Galveston County, 1975 |
| 8 | 27 | Hicks Field, Fort Worth, Tarrant County, 1952-1975 |
| 8 | 28 | High Hill Cottonseed Oil Mill 1867, High Hill, Fayette County, 1952-1978 |
| 8 | 29 | High Island Swinging Bridge, High Island, Galveston and Chambers County, 1974-1978 |
| 8 | 30 | Hillsboro Electric and Gas Company Plant, Hillsboro, Hill County, 1973-1976 |
| 8 | 31 | Hiram Close Iron Foundry, Texas Iron Industry, Galveston, Galveston County, 1974 |
| 8 | 32 | Historic Cottonwood Tree, Hemphill County, 1970-1976 |
| 8 | 33 | Hogue Pottery, Mount Pleasant, Titus County, 1975-1976 |
| 8 | 34 | Holden and Holden Refrigerate Packing House, Fulton, Aransas County, 1974-1975 |
| 8 | 35 | Hondo Army Air Field, Hondo, Medina County, 1952-1975 |
| 8 | 36 | Honey Island Sawmill, Honey Island, Hardin County, 1952-1975 |
| 8 | 37 | Hooks Switch Sawmill (Mill K), Sharon, Hardin County, 1952-1975 |
| 8 | 38 | Hords Creek Reservoir, Coleman, Coleman County, 1952-1975 |
| 8 | 39 | Horsehead Crossing, Crane and Pecos Counties, 1975 |
| 8 | 40 | Horse-Powered Rotary Auger, Midland, Midland County, 1973 |
| 8 | 41 | Hot Sulphur Wells, San Antonio, Bexar County, 1952-1975 |
| 8 | 42 | Hot Wells Reservoir, El Paso County, 1973-1975 |
| Texas, 1839-1995 and undated | ||
| 8 | 43 | Houston and Brazos Valley Railway (Velasco Terminal Railway), Velasco, Brazoria County, 1952-1975 |
| 8 | 44 | Houston and Great Northern Railroad, Harris County, 1952-1975 |
| 8 | 45 | Houston and Texas Central Railroad Station, Waxahachie, Ellis County, 1975 |
| 8 | 46 | Houston and Central Railway, Brazos, Grayson, Harris, and Waller Counties, 1952-1975 |
| 8 | 47 | Houston Belt and Terminal Railway, Harris County, 1952-1975 |
| 8 | 48 | Houston Central Power Station, Houston Lighting and Power Company, Harris County, 1906-1974 |
| 8 | 49 | Houston County Coal Company Lignite Fields, Houston County, 1975 |
| 8 | 50 | Houston, East and West Texas railway, Harris, Webb, and Bowie Counties, 1952-1975 |
| 8 | 51 | Houston – Leon County Coal Mine, Lovelady, Houston County, 1976 and undated |
| 8 | 52 | Houston North Shore Railroad, Harris and Chambers Counties, 1952-1975 |
| 8 | 53 | Houston, Oaklawn, and Magnolia Park Railway (Houston Belt and Magnolia Park), Harris County, 1952-1975 |
| 8 | 54 | Houston Railway Company, Harris County, 1952-1975 |
| 8 | 55 | Houston Ship Channel, Harris County, 1952-1978 and undated |
| 8 | 56 | Houston Tap and Brazoria Railroad, Harris and Brazoria Counties, 1952-1975 |
| 8 | 57 | Houston Tie and Timber Preserving Plant, Harris County, 1894-1974 |
| 8 | 58 | Houston Waterworks, Harris County, 1890-1978 |
| 8 | 59 | Howard County Wells, Howard County, 1975 |
| 8 | 60 | Howard Hughes Airport Flying Training Detachment, Houston, Harris County, 1952-1975 |
| 8 | 61 | Howard Refrigerated Beef Shipment of 1869, Calhoun County, 1959-1975 |
| 8 | 62 | Howards Switch Sawmill, Newton County, 1952-1975 |
| 8 | 63 | Hueco Tanks, Hueco Tanks State Park, El Paso County, 1947-1979 |
| 8 | 64 | Hughes Iron Furnace, Texas Iron Industry, Cass County, 1952-1978 |
| 8 | 65 | Hull Oil Field, Hull, Liberty County, 1952-1975 |
| 8 | 66 | Humble Oil Field, Humble, Harris County, 1939-1978 and undated |
| 8 | 67 | Humphrey Direct Action Pumping Plant, Rancho Rio Grande, Kinney County, 1914-1979 |
| 8 | 68 | Huntsville Branch Railway, Harris, Walker, and Anderson Counties, 1952-1975 |
| 8 | 69 | Huntsville Public Spring, Huntsville, Walker County, 1975 |
| 8 | 70 | Huntsville State Penitentiary Waterworks, Huntsville, Walker County, 1890-1975 |
| 8 | 71 | Hye Cotton Gin, Hye, Blanco County, 1975 |
| 8 | 72 | Imperial Dam, Crane and Pecos Counties, 1975 |
| 8 | 73 | Imperial Sugar Mill and Plantation, Sugar Land, Fort Bend County, 1953-1978 |
| 8 | 74 | Imperial Valley Railroad, Fort Bend County, 1952-1975 |
| 8 | 75 | Indianola Cistern Water Systems, Indianola, Calhoun County, 1948-1978 |
| 8 | 76 | Indianola Harbor Improvements, Indianola, Calhoun County, 1952-1975 |
| 8 | 77 | Indio Ranch Irrigation system, near Eagle Pass, Maverick County, 1916-1974 |
| 8 | 78 | Inks Dam and Lake (Roy Inks Dam and Lake), Llano and Burnet County, 1952-1978 |
| 8 | 79 | International and Great Northern Railroad, Travis and Williamson Counties, 1975-1978 |
| 8 | 80 | International Dam, Rio Grande, El Paso, El Paso County, 1973-1974 |
| 8 | 81 | Iowa Parks Waterworks, Iowa Park, Wichita County, 1971-1975 |
| 8 | 82 | I. O. Weldon Irrigation System, Roosevelt, Kimble County, 1975 |
| Texas, 1839-1995 and undated | ||
| 8 | 83 | Ira and Sharon Ridge Oil Field, Field, Scurry County, 1976 |
| 8 | 84 | Ira Chalk Horse-Powered Mill, Florence, Williamson County, 1975-1976 |
| 8 | 85 | Ironosa Creek Watermill, Hall, San Augustine County, 1975-1976 |
| 8 | 86 | J. B. Crain Mill, Comal County, 1952-1975 |
| 8 | 87 | J. C. Curtis Windmill Irrigation System, Midland, Midland County, 1975 |
| 8 | 88 | J. S. Cullinan Oil Refinery, Corsicana, Navaro County, 1933-1977 |
| 8 | 89 | J. S. Mills Cotton Gin, Cotton Gin, Freestone County, 1952-1975 |
| 8 | 90 | Jacksons Crossing Bridge, Meridian, Bosque County, 1976 |
| 8 | 91 | Jacksonville Overhead Truss Bridge, Jacksonville, Cherokee County, 1975-1976 |
| 8 | 92 | Jacksonville Sewage Treatment Plant, Cherokee County, 1968-1975 |
| 8 | 93 | James, DeMontell, and Herndon Mill, Bandera, Bandera County, 1975 |
| 8 | 94 | Jefferson City Mills, Jefferson, Marion County, 1975 |
| 8 | 95 | Jefferson Foundry and Machine Works, Jefferson, Marion County, 1975 |
| 8 | 96 | Jefferson Gas Light System, Marion County, 1975-1978 |
| 8 | 97 | Jefferson Ice Plant, Marion County, 1955-1975 |
| 8 | 98 | Jefferson Turning Basin, Marion County, 1975-1978 |
| 8 | 99 | Jenny Electric Light Company, Waco, McLennan County, 1973-1976 |
| 8 | 100 | J. L. Nix Cotton Gin, Gristmill, and Sawmill, Barksdale, Edwards County, 1975 |
| 8 | 101 | J. M. Moody Irrigation System, Midland, Midland County 1975 |
| 8 | 102 | Joe Orsak Cotton Gin 1882, Worthing, Lavaca County, 1952-1975 |
| 8 | 103 | John F. Kennedy Memorial Causeway, Corpus Christi, Nueces County, 1971-1976 |
| 8 | 104 | John Gooch Gristmill, Wilson Springs, Williamson County, 1952-1975 |
| 8 | 105 | John Henry Slaton Well, Plainview, Hale County, 1976 |
| 8 | 106 | John R. Harris Sawmill, Harrisburg, Harris County, 1952-1975 |
| 8 | 107 | Johnson Mine, Palo Pinto County, 1952-1975 |
| 8 | 108 | Jones and Plummer Trail, Lipscomb, Hemphill, and Wheeler Counties (Trail extends into Oklahoma), 1952-1975 |
| 8 | 109 | Jones Field, Bonham, Fannin County, 1952-1975 |
| 8 | 110 | Jordan and McGee Salt Works, Kaufman County, 1952-1975 |
| 8 | 111 | Joseph Eubank Jr. Cotton Card Factory, Circleville, Williamson County, 1975-1976 |
| 8 | 112 | Joy Lumber Mill, Bivins, Cass County, 1952-1975 |
| 8 | 113 | Juan Cordona Lake, Rankin, Upton County, 1975 |
| 8 | 114 | Julia Pens, Victoria County, 1975 |
| 8 | 115 | Junction City Milling Company Dam and Water Canal, Junction City, Kimble County, 1975 |
| 8 | 116 | KIUN Radio Station, Pecos, Reeves County, 1975 and undated |
| 8 | 117 | Kalgary Bridge, Kalgary, Crosby County, 1976 and undated |
| 8 | 118 | Kansas City Smelter, San Antonio, Bexar County, 1976 |
| 8 | 119 | Kelly Air Force Base (Camp Kelly Field), San Antonio, Bexar County, 1952-1975 |
| 8 | 120 | Kelly Iron Furnace, Texas Iron Industry, Jefferson, Marion County, 1974-1976 |
| 8 | 121 | Kelly Plow Factory, Kellyville, Marion County, 1952-1978 |
| 8 | 122 | Kenedy Waterworks, Kenedy, Karnes County, 1971-1975 |
| 8 | 123 | Kenneys Fort, Round Rock, Williamson County, 1952-1975 |
| 8 | 124 | Kerrville Waterworks, Kerrville, Kerr County, 1971-1975 |
| 8 | 125 | Ketchum Bluff Swinging Bridge, Montague County, 1975 |
| 9 | 1 | Killebrew Homemade “Battle-Axe” Windmill 1928, DeLeon, Comanche County, 1974-1978 |
| 9 | 2 | Kimbell Flour and Feed Mill, Clifton, Bosque County, 1976 |
| Texas, 1839-1995 and undated | ||
| 9 | 3 | “Kirbyville” Confederate Depot, Tyler, Smith County, 1975-1976 |
| 9 | 4 | Kyle Waterworks, Kyle, Hayes County, 1971-1975 |
| 9 | 5 | La Bahia Road, Harris, Grimes, Washington, Fayette, and Liberty Counties, 1952-1975 |
| 9 | 6 | La Calle Principal, Nacodoches County, 1976 |
| 9 | 7 | Lackland Air Force Base (San Antonio Aviation Cadet Center), San Antonio, Bexar County, 1952-1975 |
| 9 | 8 | La Sal Vieja, Raymondville, Willacy County, 1975-1977 |
| 9 | 9 | Lake Arlington, Arlington, Tarrant County, 1967-1976 |
| 9 | 10 | Lake Bonham, Bonham, Fannin County, 1975-1976 |
| 9 | 11 | Lake Brownwood Dam, Brownwood, Brown County, 1975 |
| 9 | 12 | Lake Dunlap Dam, New Braunfels, Comal County, 1952-1975 |
| 9 | 13 | Lake Justiceburg, Justiceburg, Garza County, 1971-1978 |
| 9 | 14 | Lake Kemp, Baylor County, 1915-1978 |
| 9 | 15 | Lake Kickapoo, Archer County, 1952-1975 |
| 9 | 16 | Lake Livingston Reservoir, Trinity River, Polk, San Jacinto, Trinity, and Walker Counties, 1976 |
| 9 | 17 | Lake Meredith, Hutchinson, Moore, and Potter Counties, 1952-1976 |
| 9 | 18 | Lake Miller Dam, Albany, Shackelford County, 1975-1976 |
| 9 | 19 | Lake Plainview, Plainview, Hale County, 1967-1975 |
| 9 | 20 | Lake Side Irrigation Company, Eagle Lake, Colorado City, 1975-1976 |
| 9 | 21 | Lake Texoma, Denison, Grayson, and Cooke Counties, 1952-1975 |
| 9 | 22 | Lake Texoma Bridge, Grayson County, 1961-1976 |
| 9 | 23 | Lake Wichita, Wichita Falls, Archer an Wichita Counties, 1903-1978 and undated |
| 9 | 24 | Lake Worth Dam, 9 miles NW of Fort Worth, Tarrant County, 1976 |
| 9 | 25 | Lampasas County Early Telephone System, 1975-1977 |
| 9 | 26 | Lampasas Waterworks, Lampasas County, 1890-1974 |
| 9 | 27 | Landa Electric Plant New Braunfels, Comal County, 1976 |
| 9 | 28 | Landa Stone Mill, New Braunfels, Comal County, 1972-1978 |
| 9 | 29 | Landmark Inn Complex (Vance Hotel), Castroville, Medina County, 1970-1975 |
| 9 | 30 | Langes Mill, Gillespie County, 1946-1975 |
| 9 | 31 | Laredo Army Air Field, Laredo, Webb County, 1952-1975 |
| 9 | 32 | Laredo Cooking Ovens, Laredo, Webb County, 1976 |
| 9 | 33 | Laredo International Bridge, Laredo, Webb County, 1935-1976 |
| 9 | 34 | Laredo Waterworks, Laredo, Webb County, 1890-1974 |
| 9 | 35 | Lasca Hand-Dug Railway Water System, Lasca, Hudspeth County, 1975 |
| 9 | 36 | Lathrop Discovery Well, Longview, Gregg County, 1976 and undated |
| 9 | 37 | Laughlin Army Air Field, Del Rio, Val Verde County, 1952-1975 |
| 9 | 38 | Lavaca Bay Harbor Improvement, Port Lavaca, Calhoun Jackson, and Matagorda Counties, 1944-1975 |
| 9 | 39 | Lavaca River Iron Truss bridge, Lavaca County, 1975-1976 |
| 9 | 40 | Lawrence Chapel - Thrall Oil Field, Lawrence Chapel, Williamson County, 1975-1976 |
| 9 | 41 | Leakey Gold Mines, Leakey, Edwards County, 1976 |
| 9 | 42 | Leakey Kaolin Pits, Edwards County, 1976 |
| 9 | 43 | Ledbetter Salt Works, Albany, Shackelford County, 1975-1976 |
| 9 | 44 | Lees Mill, Bon Weir, Newton County, 1952-1975 |
| 9 | 45 | Leggett Rest Area, Leggett, Polk County, 1973-1976 |
| 9 | 46 | Leona River Dam, Zavala County, 1976 |
| Texas, 1839-1995 and undated | ||
| 9 | 47 | Leon River Toll Bridge, Belton, Bell County, 1958-1976 |
| 9 | 48 | Leon Springs First Officers Training Camp, Leon Springs, Bexar County, 1952-1975 |
| 9 | 49 | Levelland Oil Refinery, Levelland, Hockley County, 1975-1976 |
| 9 | 50 | LFD Irrigation System, Lamb County, 1976 |
| 9 | 51 | Little River Fort (Smiths Fort, Block-House, Fort Griffin), Bell County, 1952-1975 and undated |
| 9 | 52 | Llano County Iron Mines, Llano County, 1909-1974 |
| 9 | 53 | Llano County Mines, Llano County, 1912-1977 |
| 9 | 54 | Llano River Bridge in Junction, Kimble County, 1968-1976 |
| 9 | 55 | Llano Waterworks, Llano, Llano County, 1971-1975 |
| 9 | 56 | Lockhart Waterworks, Lockhart, Caldwell County, 1890-1975 |
| 9 | 57 | Lockney Waterworks, Lockney, Floyd County, 1975 |
| 9 | 58 | Lometa Locomotive Roundhouse, Atchison, Topeka, and Santa Fe Railway Company, Lometa, Lampasas County, 1975 |
| 9 | 59 | Lone Oak Marsh Road Fill, Chambers County, 1975 |
| 9 | 60 | Lone Star Canal, Anahuac, Chambers County, 1975 |
| 9 | 61 | Lone Star Cement Works, Quanah, Hardeman County, 1976 |
| 9 | 62 | Lone Star Iron Company, Texas Iron Industry, Jefferson, Marion County, 1973-1976 |
| 9 | 63 | Lone Star Ordnance Plant, Texarkana, Bowie County, 1952-1975 |
| 9 | 64 | Lone Star Salt Works, Colorado City, Mitchell County, 1892-1975 |
| 9 | 65 | Lone Star Salt Works, Hudspeth County, 1952-1975 |
| 9 | 66 | Long Bell Lumber Company Mill, Bannister, San Augustine County, 1975-1976 |
| 9 | 67 | Longhorn Cavern Gunpowder Factory, Burnet county, 1952-1975 |
| 9 | 68 | Longhorn Ordnance Works, Karnack, Harrison County, 1952-1975 |
| 9 | 69 | Longhorn Tin Smelter, Texas City, Galveston County, 1952-1975 |
| 9 | 70 | Loop 360 Arch Bridge, Austin, Travis County, 1984 |
| 9 | 71 | Los Ojuelos Townsite, Mirando City, Webb County, 1975 |
| 9 | 72 | Love Field, Dallas, Dallas County, 1952-1975 |
| 9 | 73 | Lovell Pumping Plant and Canals, Jefferson County, 1976 |
| 9 | 74 | Lower Rio Grande Boundary Survey 1910-1911, Starr, Hidalgo, and Cameron Counties, 1974 |
| 9 | 75 | Lower Rio Grande Irrigation Project, Chapin, Hidalgo County, 1974-1976 |
| 9 | 76 | Lubbock City Streets, Lubbock, Lubbock County, 1972 |
| 9 | 77 | Lubbock Sewage Irrigation System, Lubbock County, 1927-1977 |
| 9 | 78 | Lubbock Waterworks, Lubbock, Lubbock County, 1971-1973 |
| 9 | 79 | Lueders Limestone Company, Lueders, Jones County, 1975 |
| 9 | 80 | Lufkin Foundry and Machine Company (Lufkin Industries), Angelina County, 1975 |
| 9 | 81 | Lufkin Saw and Gristmill, Angelina County, 1976 |
| 9 | 82 | Luling Cotton Gin, Luling, Caldwell and Guadalupe Counties, 1973-1976 |
| 9 | 83 | Luling Oil Field, Caldwell County, 1952-1975 and undated |
| 9 | 84 | Lutcher Moore Lumber company, Orange, Orange County, 1976 |
| 9 | 85 | Lydays Fort, Fannin County, 1952-1975 |
| 9 | 86 | Lynchs Ferry, Houston, Harris County, 1952-1975 |
| 9 | 87 | Lyndon B. Johnson Boyhood Home Eclipse Windmill, Johnson City, Blanco County, 1975-1978 |
| 9 | 88 | Lynis T. Barrett Oil Well 1866, Oil Springs, Nacodoches County, 1952-1975 |
| 9 | 89 | MacKenzie Trail, Fort Clark to Fort McKavitt, Edwards, Kimble, and Kinney Counties, 1975-1978 |
| 9 | 90 | Magnolia Hotel, Sequin, Guadalupe County, 1952-1975 |
| Texas, 1839-1995 and undated | ||
| 9 | 91 | Majors Field, Greenville, Hunt County, 1952-1975 |
| 9 | 92 | Malakoff Lignite Mine, Malakoff, Henderson County, 1973-1976 |
| 9 | 93 | Manchester Portland Cement Plant, near Houston, Harris County, 1916-1974 |
| 9 | 94 | Manning Domestic Water Distillation System, Angelina County, 1971-1975 |
| 9 | 95 | Mansfield Dam and Lake Travis, Travis County, 1952-1975 |
| 9 | 96 | Marble Falls Dam, Colorado River, Marble Falls, Burnet County, 1911-1976 and undated |
| 9 | 97 | Marcy Trail, Archer, Clay, Montague, Cooke, and Grayson Counties, 1975 |
| 9 | 98 | Marfa Army Air Field, Marfa, Presidio County, 1952-1975 |
| 9 | 99 | Marfa Irrigation Project, Marfa, Presidio County, 1976 |
| 9 | 100 | Marienfield Windmill Irrigation, Stanton, Martin County, 1974 |
| 9 | 101 | Marshall and East Texas Railroad, Harrison and Upshur Counties, 1975-1976 |
| 9 | 102 | Marshall Car Wheel and Foundry, Marshall, Harrison County, 1975-1976 |
| 9 | 103 | Marshall Ford Dam, Travis County, 1973-1976 |
| 9 | 104 | Marshall Manufacturing Company, Marshall, Harrison County, 1974-1976 |
| 9 | 105 | Marshall Powder Mill, Harrison County, 1973-1974 |
| 9 | 106 | Marshall Railway Shops, Harrison County, 1953-1975 |
| 9 | 107 | Marshall Telegraph Office, Harrison County, 1952-1975 |
| 9 | 108 | Marshall Waterworks, Harrison County, 1890-1975 |
| 9 | 109 | Martin Wagon Company Works, Lufkin, Angelina County, 1975 |
| 9 | 110 | Martinez Street Bridge, San Antonio, Bexar County, 1935-1976 |
| 9 | 111 | Matador Ranch Headquarters Water System, Motley County, 1975 |
| 9 | 112 | Matagorda Lighthouse, Cavallo Pass, Calhoun County, 1937-1978 |
| 9 | 113 | Mayo Paper Mill, Orange, Orange County, 1952-1975 |
| 9 | 114 | McCamey Million-Barrel Oil Storage Tank, McCamey, Upton County, 1966-1977 |
| 9 | 115 | McCauley Coal Mine, Montague County, 1976 |
| 10 | 1 | McDonald Observatory, Jeff Davis County, 1925-1968 and undated |
| 10 | 2 | McFadden, Weis, Kyle Canal and Irrigation Company, Beaumont and Port Arthur, Jefferson County, 1909-1976 and undated |
| 10 | 3 | McLean Waterworks, McLean, Gray County, 1971-1975 |
| 10 | 4 | McRae Church Iron Bridge, San Augustine County, 1975 |
| 10 | 5 | McWhorter Irrigation Well, Lubbock County, 1975 |
| 10 | 6 | Meacham Field, Fort Worth, Tarrant County, 1952-1975 |
| 10 | 7 | Medina Irrigation Project, Medina, Bandera, and Bexar Counties, 1921-1984 and undated |
| 10 | 8 | Medina River Railroad Bridge, west of San Antonio, Bexar County, 1974 |
| 10 | 9 | Mercedes Steam Powered irrigation Pumping plant, near Mercedes, Hidalgo County, 1913-1974 |
| 10 | 10 | Meridian Artesian Water System, Meridian, Bosque County, 1976 |
| 10 | 11 | Meridian Flour Mill, Meridian, Bosque County, 1976 |
| 10 | 12 | Merrell Comanchero Site, Floyd County, 1976 |
| 10 | 13 | Mexia Oil Field, Mexia, Limestone County, 1952-1975 |
| 10 | 14 | Mexia Waterworks, Mexia, Limestone County, 1890-1975 |
| 10 | 15 | Mexican Telegraph Company, Galveston, Galveston County, 1975-1976 |
| 10 | 16 | Middle Vegua Iron Bridge, Lexington, Lee County, 1975 |
| 10 | 17 | Mid-Kansas Oil Camp, Mid-Kansas, Stephens County, 1952-1975 |
| 10 | 18 | Midland Waterworks, Midland, Midland County, 1975 |
| 10 | 19 | Midland Army Air Field (Sloan Field), Terminal, Midland County, 1975 |
| Texas, 1839-1995 and undated | ||
| 10 | 20 | Military Road, Red River and La Salle Counties, 1952-1975 |
| 10 | 21 | Mill Creek Mill, Austin County, 1952-1975 |
| 10 | 22 | Miller Gristmill, Dublin, Erath County, 1975-1976 |
| 10 | 23 | Milligan Frazier Pottery, Marion County, 1975 |
| 10 | 24 | Mills Building, El Paso, El Paso County, 1905-1981 and undated |
| 10 | 25 | Mineral Wells Waterworks, Palo Pinto County 1970-1975 |
| 10 | 26 | Mission Espiritu Santo and Presidio La Bahia (2nd Site), Victoria County, 1975 |
| 10 | 27 | Mission Espiritu Santo De Zuniga Lime Kiln, Goliad State Park, Goliad County, 1976 and undated |
| 10 | 28 | Mission Espiritu Santo Irrigation System, Victoria County, 1975 |
| 10 | 29 | Mission Nuestra Senora Del Rosario Irrigation System, Goliad, Goliad County, 1975 |
| 10 | 30 | Missouri, Kansas, and Texas Railroad Roundhouse, Fort Worth, Tarrant County, 1975 |
| 10 | 31 | Missouri Pacific Railroad Bridge, Round Rock, Williamson County, 1975-1976 |
| 10 | 32 | Missouri, Kansas, and Texas Railroad, Denison, Grayson County, 1975-1976 |
| 10 | 33 | Monahans Oil Storage, Monahans, Ward County, 1959-178 and undated |
| 10 | 34 | Montague Sulfur Mines, Montague County, 1976 |
| 10 | 35 | Mont Hall, Hallsville, Harrison County, 1975 |
| 10 | 36 | Mont Iron Truss Bridge, Lavaca County, 1975-1976 |
| 10 | 37 | Moore Field (Weaver H. Baker Memorial Sanatorium, Tri-Cities Airport), Mission, Hidalgo County, 1952-1975 |
| 10 | 38 | Moore Irrigation System, Del Rio, Val Verde County, 1905-1975 |
| 10 | 39 | Moores Crossing Bridge, Austin, Travis County, 1976-1978 |
| 10 | 40 | Moores Water Well, Richmond, Fort Bend County, 1976 |
| 10 | 41 | Moran Field – Cottle No. 1, Moran Shackelford County, 1975-1976 |
| 10 | 42 | Morgan Field, Erath County, 1952-1976 |
| 10 | 43 | Morgan Waterworks, Morgan, Bosque County, 1890-1975 |
| 10 | 44 | Mormon Mill, near Burnet, Burnet County, 1900-1978 |
| 10 | 45 | Morris Ferry Turpentine Camp and Distillery, Morris Ferry, Jasper County, 1952-1975 |
| 10 | 46 | Morris Sheppard Dam, Palo Pinto County, 1952-1978 |
| 10 | 47 | Mortons Kleer Salt Mine, Grand Saline, Van Zandt County, 1945-1975 |
| 10 | 48 | Moscow, Camden, and San Augustine Railroad, Moscow, Polk County, 1952-1976 |
| 10 | 49 | Motley County Jail, Matador, Motley County, 1975 |
| 10 | 50 | Mount Bonnell Mill, Austin, Travis County, 1975 |
| 10 | 51 | Mount Enterprise – Shiloh Road, Rusk County, 1973-1976 |
| 10 | 52 | Mount Franklin Beacon, El Paso, El Paso County, 1976 |
| 10 | 53 | Mount Sterling Toll Bridge, near Douglas, Nacodoches County, 1975 |
| 10 | 54 | Muennik Cotton Gin, New Fountain, Medina County, 1976-1977 |
| 10 | 55 | Mulberry Creek Bridge, 2.8 miles SW of Schulenburg, Fayette County, 1974-1978 |
| 10 | 56 | Muldoon Quarries, Fayette County, 1976 |
| 10 | 57 | Munday Waterworks, Munday, Knox County, 1971-1975 |
| 10 | 58 | Nacodoches Power Plant, Nacodoches County, 1973-1976 |
| 10 | 59 | Nacodoches Steel Truss Bridge, Nacodoches County, 1975-1976 |
| 10 | 60 | Nacodoches Waterworks, Nacodoches County, 1890-1975 |
| 10 | 61 | Nails Creek Iron Bridge, Giddings, Lee County, 1975 |
| 10 | 62 | Nances Mill, Hays County, 1975 |
| 10 | 63 | NASA Manned Space Center, Clear Lake, Harris County, 1977 |
| 10 | 64 | Nash Iron Furnace, Texas Iron Industry, Cass County, 1894-1978 |
| 10 | 65 | Natural Salt Lake, Crane, Crane County, 1975-1976 |
| Texas, 1839-1995 and undated | ||
| 10 | 66 | Navarro Mill, Navarro Mills, Navarro County, 1952-1975 |
| 10 | 67 | Navasota Waterworks, Navasota, Grimes County, 1975 |
| 10 | 68 | Navidad River Iron Truss Bridge, Lavaca County, 1975-1976 |
| 10 | 69 | Nocona Suspension Bridge, Nocona, Montague County, 1975 |
| 10 | 70 | Neches Canal Company, Jefferson County, 1976 |
| 10 | 71 | Nederland Dutch Windmill, Nederland, Jefferson County, 1972-1976 |
| 10 | 72 | New Birmingham Ghost Town, Rusk, Cherokee County, 1968-1976 |
| 10 | 73 | New Blox Lumber Camp, New Blox, Jasper County, 1952-1975 |
| 10 | 74 | New Braunfels Textile Industries, New Braunfels, Comal County, 1973-1976 |
| 10 | 75 | New Braunfels Waterworks, New Braunfels, Comal County, 1890-1975 |
| 10 | 76 | New Castle Coal Mine Field, New Castle, young County, 1976 |
| 10 | 77 | New Willard Saw Mill, New Willard, Polk County, 1952-1975 |
| 10 | 78 | Neyland Oil Pump, Goliad, Goliad County, 1975-1976 |
| 10 | 79 | Nickols Railway Yard, Fayetteville, Colorado County, 1952-1975 |
| 10 | 80 | Noodle Dome Road, Trent, Jones and Taylor Counties, 1965-1976 |
| 10 | 81 | Norse Gold Mine, Norse, Bosque County, 1976 |
| 10 | 82 | North American Aviation Plant (Vought Corporation), Grand Prairie, Dallas County, 1958-1977 |
| 10 | 83 | North Bosque River Bridge, Valley Mills, Bosque County, 1976 |
| 10 | 84 | Northeast Corner of Panhandle Boundary Monument, Lipscomb County, 1975 |
| 10 | 85 | Northern Trail (Northern Cattle Trail, Montana Trail, Wyoming Trail), Texas and Colorado, 1952-1975 |
| 10 | 86 | North Fork Lavaca River Iron Truss Bridge, Lavaca County, 1975-1976 |
| 10 | 87 | North Nocona Oil Field, Montague County, 1972-1975 and undated |
| 10 | 88 | North Side Sewage Treatment Plant, Houston, Harris County, 1923-1976 |
| 10 | 89 | Norway Mill, Clifton, Bosque County, 1976 |
| 10 | 90 | N. S. Worley Windmill Irrigation System, Midland, Midland County, 1975 |
| 10 | 91 | Oakes Street Bridge, San Angelo, Tom Green County, 1906-1976 |
| 10 | 92 | Oakhurst Sawmill, Oakhurst, San Jacinto County, 1952-1975 |
| 10 | 93 | Oakland Iron Arched Truss Bridge, Colorado and Lavaca Counties, 1964-1976 |
| 10 | 94 | Oil Springs Oil Field, Oil Springs, Nacodoches County, 1939-1978 |
| 10 | 95 | Old Alcalde Furnace, Texas Iron Industry, Rusk, Cherokee, 1849-1978 |
| 10 | 96 | Old Bosque River Bridge, Valley Mills, Bosque County, 1976 |
| 10 | 97 | Old Buffalo Road, (Henrietta Road), Hardin, Jefferson, and Tyler Counties, 1975 and undated |
| 10 | 98 | Old Donnell Mill, Young County, 1975 and undated |
| 10 | 99 | Old Lone Star Brewery, San Antonio, Bexar County, 1974-1978 |
| 10 | 100 | Old Marion Ferry Landing (Ortons Hole), Marion, Angelina County, 1975 |
| 10 | 101 | Old Ocean Oil Camp, Old Ocean, Brazoria County, 1952-1975 |
| 10 | 102 | Old Rock Dam (Renfro Dam), Mills County, 1975 |
| 10 | 103 | Old San Antonio Road (Camino Real), Bexar, Sabine, Nacodoches, Maverick, and San Augustine Counties, 1975 |
| Texas, 1839-1995 and undated | ||
| 11 | 1 | Old Summers Mill, Belton, Bell County,1936-1978 |
| 11 | 2 | Old Texaco Gasoline Refinery, Foard County,1966-1975 |
| 11 | 3 | Olive Sawmill, Olive, Hardin County,1952-1975 |
| 11 | 4 | Olmos Dam and Reservoir, San Antonio, Bexar County, 1952-1975 |
| 11 | 5 | Olney Waterworks, Olney, Young County,1971-1975 |
| 11 | 6 | Onalaska Sawmill, Onalaska, Polk County,1952-1975 |
| 11 | 7 | Orange Naval Station, Orange, Orange County,1952-1976 |
| 11 | 8 | Orange Paper and Pulp Company Mill, Orange, Orange County, 1952-1975 |
| 11 | 9 | Orange Presbyterian Church, Orange, Orange County,1976 |
| 11 | 10 | ORBIS, Arlington, Tarrant County, 1976 |
| 11 | 11 | Orchard Sulphur Well, Orchard, Fort Bend County, 1975-1976 and undated |
| 11 | 12 | Ostrander and Loomis Ranch Telephone System, near San Angelo, Tom Green County, 1890-1974 |
| 11 | 13 | Overland Freight Station, Sherman County, 1975 |
| 11 | 14 | Packer Diamond Mine, Montgomery, Montgomery County, 1975 |
| 11 | 15 | Paddock Viaduct, Fort Worth, Tarrant County, 1912-1981 |
| 11 | 16 | Padre Island Wells and Windmills, Nueces, Kleberg, Kenedy, Willacy, and Cameron Counties, 1971-1975 |
| 11 | 17 | Paducah Waterworks, Paduch, Cottle County, 1971-1975 |
| 11 | 18 | Palace Hotel, Sierra Blanca, Hudspeth County, 1975 |
| 11 | 19 | Palestine Electric and Ice Company, Palestine, Anderson County, 1973-1976 |
| 11 | 20 | Palestine Waterworks, Palestine, Anderson County, 1890-1975 |
| 11 | 21 | Palmetto Lumber Company Sawmill, Oakhurst, San Jacinto County, 1975 |
| 11 | 22 | Palo Pinto Coal Mine, Erath County, 1976 |
| 11 | 23 | Paluxy Mill, Hood County, 1976 |
| 11 | 24 | Paluxy River Bridge, Somervell County, 1964-1976 |
| 11 | 25 | Pampa Army Air Field, Pampa, Gray County, 1952-1975 |
| 11 | 26 | Pan American Camp, Willacy County, 1952-1975 |
| 11 | 27 | Panhandle Oil Field, Wheeler, Gray, Carson, Hutchinson, and Potter Counties, 1952-1975 |
| 11 | 28 | Panhandle Waterworks, Panhandle, Carson County, 1890-1975 |
| 11 | 29 | Pantex Ordnance Plant, Carson County, 1952-1978 |
| 11 | 30 | Paris Abattoir, Paris, Lamar County, 1959-1978 |
| 11 | 31 | Paris Light and Power Company, Paris, Lamar County, 1973-1976 |
| 11 | 32 | Paris Sewage System, Paris, Lamar County, 1968-1978 |
| 11 | 33 | Paris Waterworks, Paris, Lamar County, 1890-1974 |
| 11 | 34 | Parris Mill, Parris, Collin County, 1952-1975 |
| 11 | 35 | Patricks Ferry, Point Blank, San Jacinto County, 1975-1976 |
| 11 | 36 | Peach Creek Bridge, Dilworth, Gonzales County, 1975 |
| 11 | 37 | Pearsall Waterworks, Pearsall, Frio County, 1971-1975 |
| 11 | 38 | Pease River Iron Bridge 1890-1891, Foard and Hardeman Counties, 1966-1975 |
| 11 | 39 | Pecos Army Air Field, Pecos, Reeves County, 1952-1975 |
| 11 | 40 | Pecos Artesian Wells, Pecos, Reeves County, 1975 |
| 11 | 41 | Pecos Railway Water System (Texas and Pacific Railway Company), Reeves County, 1975 |
| 11 | 42 | Pecos River Bridge, High Bridge, Val Verde County, 1892-1975 and undated |
| 11 | 43 | Pecos River Wagon Bridge 1867, Pecos and Crockett Counties, 1868-1974 |
| 11 | 44 | Pecos Valley Irrigation, Pecos River Valley, Crane, Crockett, Pecos, Val Verde, and Ward Counties, 1898-1976 |
| 11 | 45 | Pecos Waterworks, Pecos, Reeves County, 197-1975 |
| 11 | 46 | Penn Field, Austin, Travis County, 1975 |
| 11 | 47 | Pepper Silver Mine, Barksdale, Real County, 1975 |
| 11 | 48 | Perrin Air Force Base (Perrin Field), Sherman, Grayson County, 1952-1975 |
| 11 | 49 | Petrician Spring Irrigation System, Toyah, Reeves County, 1975 |
| 11 | 50 | Petrolia Oil Field, Petrolia, Clay County, 1952-1976 |
| Texas, 1839-1995 and undated | ||
| 11 | 51 | Pickering Lumber Mill, Haslam, Shelby County, 1952-1975 |
| 11 | 52 | Pin Oak Creek Old Bridge, Fayette County, 1888-1976 |
| 11 | 53 | Pineland Sawmill (John Adams Mill), Pineland, Sabine County, 1952-1975 |
| 11 | 54 | Pine Springs Stage Stand, Pine Springs, Culberson County, 1933-1974 |
| 11 | 55 | Pioneer Canal Company Irrigation Works (East Side of Pecos River), Reeves and Ward Counties, 1975 |
| 11 | 56 | Pioneer Canal Company Irrigation Works (West Side of Pecos River), Reeves and Ward Counties, 1975 |
| 11 | 57 | Pioneer Coal Mines, Bexar County, 1976 |
| 11 | 58 | Pioneer Iron and Coal Company, Headsville, Robertson County, 1976 |
| 11 | 59 | Pioneer Road, Hemphill County, 1976 |
| 11 | 60 | Plainview Field, Plainview, Hale County, 1952-1975 |
| 11 | 61 | Plainview Irrigation District, Hale County, 1974-1975 |
| 11 | 62 | Plainview Waterworks, Plainview, Hale County, 1971-1975 |
| 11 | 63 | Plank Sawmill, Plank, Hardin County, 1952-1975 |
| 11 | 64 | Plant X Electric Generation System Station, Amherst, Lamb County, 1975 |
| 11 | 65 | Pliska Aeroplane 1909, Midland, Midland, 1970-1974 |
| 11 | 66 | Pluck Sawmill, Pluck, Polk County, 1952-1975 |
| 11 | 67 | Point Bolivar Lighthouse, Point Bolivar, Galveston County, 1937-1977 |
| 11 | 68 | Point Isabel Lighthouse, Port Isabel, Cameron County, 1970-1976 and undated |
| 11 | 69 | Ponton Creek Shiner Iron Truss Bridge, Lavaca County, 1975-1976 |
| 11 | 70 | Ponton Creek Worthing Iron Truss Bridge, Lavaca County, 1975-1976 |
| 11 | 71 | Port Arthur Harbor, Port Arthur, Jefferson County, 1952-1974 |
| 11 | 72 | Port Arthur – Orange High Bridge, Jefferson and Orange Counties, 1936-1984 |
| 11 | 73 | Port Arthur Rice and Irrigation Company, Jefferson County, 1976 |
| 11 | 74 | Port Bolivar and Iron Ore Railroad, Gregg, Marion and Upshur Counties, 1975-1976 |
| 11 | 75 | Port Harlingen Harbor Improvements, Harlingen, Cameron County, 1952-1975 |
| 11 | 76 | Port Isabel Harbor Improvements, Port Isabel, Cameron County, 1952-9175 |
| 11 | 77 | Port Lavaca Cannon Foundry, Port Lavaca, Calhoun County, 1976 |
| 11 | 78 | Port Lavaca Causeway, Port Lavaca, Calhoun County, 1958-1978 |
| 11 | 79 | Port Mansfield, Willacy County, 1970-1976 |
| 11 | 80 | Porters Bluff Highway (Dixie Highway), Tyler County, 1971-1978 |
| 11 | 81 | Possum Kingdom Reservoir, Palo Pinto and Young Counties, 1976-1978 |
| 11 | 82 | Possum Kingdom Stone Arch Bridge, Palo Pinto County, 1940-1978 |
| 11 | 83 | Post Sextuple Oil Well, Post, Garza County, 1976 and undated |
| 11 | 84 | Post Waterworks, Post, Garza County, 1939-1978 and undated |
| 11 | 85 | Potter and Blocker Trail (Potter and Bacon Trail, XIT Trail), Jim Hogg, Haskell, McCullough, and Shackelford Counties, 1952-1975 |
| 11 | 86 | Powell Oil Field, Navarro County, 1952-1975 |
| 11 | 87 | Prairie Dog Town Fork Bridge, hall County, 1961-1976 |
| 11 | 88 | Prehistoric Indian Irrigation Ditches, Quitaque Valley, Briscoe County, 1972-1973 |
| 11 | 89 | Presidio Del Norte Cinnabar Mines, Presidio, Presidio County, 1976 |
| 11 | 90 | Presidio San Saba de las Amarillas, Menard, Menard County, 1968-1973 and undated |
| 11 | 91 | Pueblo Coal Mine, McCulloch County, 1976 |
| 11 | 92 | Pyote Army Air Field (Pyote Army Air Base), Pyote, Ward County, 1952-1975 |
| 11 | 93 | Queen City Iron Mining and Smelting Company, Cass County, 1976 |
| 11 | 94 | Queen Isabella Causeway, Cameron County, 1973-1976 |
| 11 | 95 | Quitaque Railway Tunnel, Quitaque, Briscoe, 1973 |
| 11 | 96 | Rabbs Mill, Fayette County, 1976 |
| Texas, 1839-1995 and undated | ||
| 11 | 97 | Ragley Sawmill, Ragley, Panola County, 1952-1975 |
| 11 | 98 | Ragsdale Cotton Gin, Tripp, Dallas County, 1952-1975 |
| 11 | 99 | Ragsdill Dam and Irrigation Ditches, Junction, Kimble County, 1975 |
| 12 | 1 | Randolph Air Force Base, San Antonio, Bexar County, 1952-1975 |
| 12 | 2 | Ranger Oil Field, Ranger, Eastland County,1952-1975 |
| 12 | 3 | Rath Trail, Dodge City Kansas to Fort Elliot and Fort Concho, Texas 1952-1975 |
| 12 | 4 | Raywood Irrigation System, Raywood, Liberty County,1974 |
| 12 | 5 | Reagan Mineral Wells, Reagan Wells, Uvalde County, 1952-1975 |
| 12 | 6 | Red Brick Road, Weatherford and Mineral Wells, Palo Pinto and Parker Counties, 1964-1978 |
| 12 | 7 | Red Oak Creek Bridge, Ellis County,1976 |
| 12 | 8 | Red River Bridge, Santa Fe Railway Company, Cooke County, 1974 |
| 12 | 9 | Red River Bridge, St. Louis and San Francisco Railway Company, Lamar County, 1974 |
| 12 | 10 | Red River Bridge, Wichita Falls, Wichita County, 1975-1976 |
| 12 | 11 | Red River Bridge Company Toll Bridge, Denison, Grayson County, 1968-1976 |
| 12 | 12 | Red River Ordnance Depot, Texarkana, Bowie County, 1952-1975 |
| 12 | 13 | Red River Toll Bridge, Gainesville, Cooke County, 1975 |
| 12 | 14 | Reese Air Force Base 9Lubbock Army Air School), Lubbock, Lubbock County, 1975 |
| 12 | 15 | Reeves Sulphur Mines, Reeves County, 1975-1976 |
| 12 | 16 | Refugio County First Producing Oil Well, Refugio County, 1975 |
| 12 | 17 | Refugio Waterworks, Refugio, Refugio County, 1975 |
| 12 | 18 | Regency Suspension Bridge, Mills and San Saba Counties, 1939-1978 |
| 12 | 19 | Republic of Texas Granite Markers, Panola County, 1971-1978 |
| 12 | 20 | Rhea Mills, Collin County, 1952-1975 |
| 12 | 21 | Rhome Mill, Rhome, Wise County, 1975-1978 |
| 12 | 22 | Richmond Railroad Bridge Pre-1869, Brazos River, Richmond, Fort Bend County, 1868-1975 |
| 12 | 23 | Richmond Railroad Bridge 1869, Richmond, Fort Bend County, 1974 |
| 12 | 24 | Riddle and Hart Coal Mine, Eagle Pass, Maverick County, 1976 |
| 12 | 25 | Rio Grande Bridge, El Paso and Southeastern Railway, El Paso, El Paso and Dona Ana (New Mexico) Counties, 1974 |
| 12 | 26 | Rio Grande Irrigation Project, El Paso, El Paso County, 1910-1976 |
| 12 | 27 | Rio Grande Low Water Bridge, Del Rio, Val Verde County, 1967-1976 |
| 12 | 28 | Rita Santa Oil Camp, Rita Santa, Reagan County, 1952-1975 |
| 12 | 29 | Riverside Swinging Bridge, Riverside, Walker County, 1975-1978 |
| 12 | 30 | Riviera Beach, Riviera, Kleberg County, 1952-1975 |
| 12 | 31 | Roark Pottery Kiln, Denton, Denton County, 1972-1978 |
| 12 | 32 | Roberts Sawmill, Swan, Smith County, 1952-1975 |
| 12 | 33 | Robinson Bluff Water System, Kopperl, Bosque County, 1976 |
| 12 | 34 | Robinson Branch Iron Bridge, Bono, Johnson County, 1975 |
| 12 | 35 | Rock Creek Mine, Parker County, 1976 |
| 12 | 36 | Rockland Dam, Rockland, Tyler County, 1975 |
| 12 | 37 | Rock Lime Kiln, Moore County, 1976 |
| 12 | 38 | Rocky Creek Bridge, Fayette County, 1903-1976 |
| 12 | 39 | Rocky Creek Iron Truss Bridge, Lavaca County, 1975-1976 |
| 12 | 40 | Rockwall Rock Wall, Rockwall County, 1976 and undated |
| Texas, 1839-1995 and undated | ||
| 12 | 41 | Rodessa Oil Field, Cass and Marion Counties, 1952-1975 |
| 12 | 42 | Roll-A-Cone Manufacturing Company, near Tulia, Swisher County, 1977 |
| 12 | 43 | Roma Suspension Bridge, Roma, Starr County, 1973-1995 |
| 12 | 44 | Rosenberg Waterworks, Rosenberg, Fort Bend County, 1971-1975 |
| 12 | 45 | Rotan Waterworks, Rotan, Fisher County, 1971-1975 |
| 12 | 46 | Round Rock Broom Factory, Round Rock, Williamson County, 1975-1976 |
| 12 | 47 | Royal Street from the North, Nacodoches, Nacodoches County, 1976 |
| 12 | 48 | Rural Shade Steam Gristmill, Rural Shade, Navarro County, 1952-1975 |
| 12 | 49 | Rush Ditches, Chambers County, 1975 |
| 12 | 50 | Ruth Van Gristmill and Cotton Gin, Run, Hidalgo County, 1975 |
| 12 | 51 | Sabinal Waterworks, Sabinal, Uvalde County, 1971-1975 |
| 12 | 52 | Sabine Bank Lighthouse, Sabine Pass, Jefferson County, 1974 |
| 12 | 53 | Sabine Pass Harbor Improvements, Sabine Pass, Jefferson County, Texas-Louisiana, 1974 |
| 12 | 54 | Sabine Pass Lighthouses, Sabine Pass, Jefferson County, Texas-Louisiana, 1974-1976 |
| 12 | 55 | Sabine Pass Bridge, Sabine County, 1967-1976 |
| 12 | 56 | Sabine River Navigation Improvements, Bacons Bluff, Rusk County, 1857-1976 |
| 12 | 57 | Salado Wool Carding Mill, Salado, Bell County, 1952-1975 |
| 12 | 58 | Salinas Lake Salt Supply, Oldham County, 1976 |
| 12 | 59 | Salt Creek Gristmill, near Graham, Young County, 1975 |
| 12 | 60 | Salt Creek Saline, near Graham, Young County, 1975 |
| 12 | 61 | Salt Fork of the Red River Highway Bridge, north of Wellington, Collingsworth County, 1933-1978 |
| 12 | 62 | Sam Houston Bridge, Fayette County, 1976 |
| 12 | 63 | Sam Rayburn Reservoir, Angelina River, Angelina, Jasper, Sabine, San Augustine, and Nacodoches Counties, 1965-1976 |
| 12 | 64 | San Angelo Army Air Field, San Angelo, Tom Green County, 1952-1975 |
| 12 | 65 | San Angelo Ice Factory, San Angelo, Tom Green County, 1975 |
| 12 | 66 | San Angelo Sewage Treatment System, Tom Green County, 1919-1975 |
| 12 | 67 | San Angelo Streetcar System, Tom Green County, 1975 |
| 12 | 68 | San Angelo Waterworks, Tom Green County, 1890-1979 |
| 12 | 69 | San Antonio – San Diego Mail Route (“Jackass Mail”), Bexar and El Paso, 1975 |
| San Antonio Acequias, 1890-1975 and undated | ||
| 12 | 70 | Alamo Madre Acequia, Bexar County, 1927-1974 and undated |
| 12 | 71 | Alazan Ditch, Bexar County,1962-1973 |
| 12 | 72 | Concepcion Acequia, Bexar County,1921-1973 |
| 12 | 73 | Espada Acequia, Bexar County,1921-1973 |
| 12 | 74 | San Juan Acequia, Bexar County, 1921-1968 and undated |
| 12 | 75 | San Jose Acequia, Bexar County, 1931-1973 and undated |
| 12 | 76 | San Pedro Acequia, Bexar County,1921-1973 |
| 12 | 77 | Upper Labor Acequia, Bexar County,1921-1974 |
| 12 | 78 | Valley Ditch, Bexar County, 1973 andundated |
| 12 | 79 | Field Notes,1973 |
| 12 | 80 | Slides,1971-1973 |
| 13 | 1 | General, 1890-1975 andundated |
| 13 | 2 | Historians File,1968-1974 |
| 13 | 3 | Punch Cards – Survey Data, circa1973 |
| Texas, 1839-1995 and undated | ||
| San Antonio Acequias, 1890-1975 and undated | ||
| Literary Production: The Acequias of San Antonio: A Historical and Technical Survey by T. Lindsay Baker, James D. Carson, and Joseph D. Minor | ||
| 13 | 4 | The Acequias of San Antonio: A Historical and Technical Survey, 1974 |
| 13 | 5 | Manuscript,1973-1975 |
| 13 | 6 | Measured Drawings, 1973 |
| Printed Materials | ||
| 13 | 7 | The Old World Background of the Irrigation System of San Antonio, Texas by Thomas F. Glick, 1972 |
| 13 | 8 | San Antonio Arsenal, San Antonio, Bexar County,1952-1975 |
| 13 | 9 | San Antonio Drilled Pier Foundations, San Antonio, Bexar County, 1973-1974 |
| 13 | 10 | San Antonio Gas Works, San Antonio, Bexar County, 1973-1974 |
| 13 | 11 | San Antonio Ice Plants, San Antonio, Bexar County, 1947-1974 |
| 13 | 12 | San Antonio Lime Kilns, San Antonio, Bexar County, 1975 |
| 13 | 13 | San Antonio Natural Gas and Oil Company, San Antonio, Bexar County |
| 13 | 14 | San Antonio Persian Water Wheels, San Antonio, Bexar County, 1951-1976 |
| 13 | 15 | San Antonio Railroad Depot, San Antonio, Bexar County, 1959-1978 |
| 13 | 16 | San Antonio – San Diego Mail Route, San Antonio to San Diego, California, Bexar County, 1952-1975 |
| 13 | 17 | San Antonio Sewage System, San Antonio, Bexar County, 1877-1978 |
| 13 | 18 | San Antonio Street Railways, San Antonio, Bexar County, 1890-1974 |
| 13 | 19 | San Antonio Water Works, San Antonio, Bexar County, 1894-1978 |
| 13 | 20 | San Augustine Electric Power Plant, San Augustine, San Augustine County,1975 |
| 13 | 21 | San Augustine Watermill, San Augustine, San Augustine County, 1976 |
| 13 | 22 | San Benito and Rio Grande Valley Railway, Cameron County, 1952-1975 |
| 13 | 23 | San Benito Water and Electric Plant, San Benito, Cameron County, 1974-1975 |
| 13 | 24 | San Carlos Coal Mines, Presidio County, 1976 |
| 13 | 25 | San Diego and Gulf Railway, Duval County, 1952-1975 |
| 13 | 26 | Sandies Creek Bridge, Nixon, Gonzales County, 1975 |
| 13 | 27 | Sandusky Survey of the City of Austin, Travis County, 1839-1975 and undated |
| 13 | 28 | Sanford and Northern Railroad, Sanford, Hutchinson County, 1952-1975 |
| 13 | 29 | San Felipe Bridge, San Felipe Bridge, Del Rio, Val Verde County, 1974 |
| 13 | 30 | San Gabriel Crossing Bridge, Circleville, Williamson County, 1975-1976 |
| 13 | 31 | San Jacinto Ordnance Depot, Houston Ship Channel, Harris County, 1952-1975 |
| 14 | 1 | San Jacinto Monument, Deer Park, Harris County, 1938-1976 |
| 14 | 2 | San Marcos Activated Sludge Sewage Treatment Plant, San Marcos, Hays County, 1917-1978 |
| 14 | 3 | San Marcos Air Force Base, San Marcos, Hays County, 1952-1975 |
| 14 | 4 | San Marcos Bridge, Gonzales, Gonzales County, 1964-1978 |
| 14 | 5 | San Marcos Model-T Bridge, San Marcos, Hays County, 1976 |
| 14 | 6 | San Marcos River Steel Truss Bridge at Slayden, near Gonzales, Gonzales County, 1975 |
| 14 | 7 | San Marcos Waterworks, San Marcos, Hays County, 1890-1974 |
| 14 | 8 | San Pedro Creek Bridge, Del Rio, Val Verde County, 1964-1976 |
| 14 | 9 | San Saba Mission Irrigation Ditch, Menard, Menard County, 1975 |
| 14 | 10 | San Saba River High Water Bridge, McCulloch County, 1958-1976 |
| Texas, 1839-1995 and undated | ||
| 14 | 11 | San Saba Silver Mine, near Menard, 1973-1977 |
| 14 | 12 | Santa Anna Waterworks, Santa Anna, Coleman County, 1971-1975 |
| 14 | 13 | Santa Fe Dock and Channel Company Wharves, Port Bolivar, Galveston County, 1952-1975 |
| 14 | 14 | Santa Fe Railroad, Galveston, Lampasas and Tarrant Counties, 1975 |
| 14 | 15 | Santa Fe Railroad Terminal, Panhandle, Carson County, 1975 |
| 14 | 16 | Santa Fe Whipple Truss Bridge, Fort Worth, Tarrant County, 1931-1974 |
| 14 | 17 | Santa Rita Oil Well, Texon, Reagan County, 1949-1978 |
| 14 | 18 | San Thomas Coal Mine, Maverick County, 1976 |
| 14 | 19 | San Xavier Missions Irrigation System, Milam County, 1975 |
| 14 | 20 | Saratoga Health Resort, Saratoga, Hardin County, 1952-1975 |
| 14 | 21 | Saratoga Oil Field, Saratoga, Hardin County, 1905-1978 |
| 14 | 22 | Scenic Drive, El Paso, El Paso County, 1976 |
| 14 | 23 | Schulenberg Cotton Compress, Schulenberg, Fayette County, 1886-1978 |
| 14 | 24 | Scoates Hall, College Station, Brazos County, 1976 |
| 14 | 25 | Seguin Waterworks, Sequin, Guadalupe County, 1890-1974 |
| 14 | 26 | Seminole Canyon Narrow Gauge Railroad, Comstock, Val Verde County, 1975-1976 |
| 14 | 27 | Serran Pottery Kiln, Sharon Lake, Denton County, 1976 |
| 14 | 28 | Shafter Silver Mines, Shafter, Presidio County, 1910-1978 |
| 14 | 29 | Sharon Ridge and Ira Oil Field Air Pumps, Scurry County, 1975 |
| 14 | 30 | Shawnee Trail (Texas Road), Texas to Sedalia Missouri, Marshall, Bryan, and Grayson Counties, 1952-1975 |
| 14 | 31 | Sheppard Air Force Base(Sheppard Field), Wichita Falls, Wichita County, 1952-1975 |
| 14 | 32 | Sherman Activated Sludge Sewage Treatment Plant, Sherman, Grayson County, 1923-1975 |
| 14 | 33 | Sherman, Denison, and Dallas Railway, Grayson County, 1952-1975 |
| 14 | 34 | Sherman Electric and Gas Company, Sherman, Grayson County, 1973-1976 |
| 14 | 35 | Sherman Iron Works, Sherman, Grayson County, 1976 |
| 14 | 36 | Sherman Waterworks, Sherman, Grayson County, 1890-1975 |
| 14 | 37 | Shiner Iron Truss bridge, Lavaca County, 1975-1976 |
| 14 | 38 | Sierra Blanca Railroad Depot, Sierra Blanca, Hudspeth County, 1975-1976 |
| 14 | 39 | Simonton Brazos River Truss Bridge, Simonton, Fort Bend County, 1966-1976 |
| 14 | 40 | Singing Median, Canyon, Randall County, 1958-1976 |
| 14 | 41 | Slaton Waterworks, Slaton, Lubbock County, 1971-1975 |
| 14 | 42 | Slayden-Kirksey Woolen Mill, Waco, McClennan County, 1952-1975 |
| 14 | 43 | Smiths Landing, Marion County, 1952-1975 |
| 14 | 44 | Smith and Hawse Well, Estacado, Crosby County, 1976 |
| 14 | 45 | Smithville Roadside Park, Smithville, Fayette County, 1972-1976 |
| 14 | 46 | Smothers Creek Iron Truss Bridge, Lavaca County, 1975-1976 |
| 14 | 47 | Snyder Pumphouse, Atchison, Topeka, and Santa Fe Railway Company, Snyder, Scurry County, 1971-1978 |
| 14 | 48 | Somerville Reservoir and Dam, Somerville, Burleson, Lee, and Washington Counties, 1976 and undated |
| 14 | 49 | Somerville Tie and Timber Preserving Plant, Somerville, Burleson County, 1901-1978 |
| 14 | 50 | Sonora Waterworks, Sonora, Sutton County, 1973-1974 |
| 14 | 51 | Sour Lake Mineral Springs, Sour Lake, Hardin County, 1952-1975 |
| 14 | 52 | Sour Lake Oil Field, Sour Lake, Hardin County, 1905-1978 |
| 14 | 53 | South Plains Army Airfield, Lubbock, Lubbock County, 1975 |
| Texas, 1839-1995 and undated | ||
| 14 | 54 | South Sulphur River Bridge, Hunt County, 1959-1976 |
| 14 | 55 | Southern Alkali Corporation (PPG Industries), Corpus Christi, Nueces County, 1965-1977 |
| 14 | 56 | Southern Pacific Bridge at Langtry, Langtry, Val Verde County, 1975-1976 |
| 14 | 57 | Southern Pacific Horseshoe Curve, Hudspeth County, 1976 |
| 14 | 58 | Southwest Pump Company, Bonham, Fannin County, 1976 |
| 14 | 59 | Southern Pacific Grain Elevator, Galveston, Galveston County, 1903-1974 |
| 14 | 60 | Southland Paper Mill, Lufkin, Angelina County, 1952-1975 |
| 14 | 61 | Southwest Pump Company, Bonham, Fannin County, 1975-1976 |
| 14 | 62 | Spanish Fort, Montague County, 1952-1975 |
| 14 | 63 | Spence Reservoir, Robert Lee, Coke County, 1970-1976 |
| 14 | 64 | Spindletop Oil Field, near Beaumont, Jefferson County, 1934-1979 |
| 14 | 65 | Spring Branch Bridge, Runnels County, 1976 |
| 14 | 66 | Spring Lake Park, Texarkana, Bowie County, 1975-1976 |
| 14 | 67 | Squaw Creek Highway Bridge, Somervell County, 1975 |
| 14 | 68 | Stagecoach Inn, Salado, Bell County, 1970-1976 |
| 14 | 69 | Stamford Cottonseed Oil Mill, Stamford, Jones County, 1975 |
| 14 | 70 | Standard Mine, Cline, Uvalde County, 1952-1975 |
| 14 | 71 | Stant Rhea Stage Stand, Hale County, 1952-1975 |
| 14 | 72 | Star Mill, Circleville, Williamson County, 1975-1976 |
| 14 | 73 | Star on the Mountain, El Paso, El Paso County, 1964-1976 |
| 14 | 74 | Starr and Crescent Coal Company, Coleman, Coleman County, 1976 |
| 14 | 75 | State Highway 15 Canadian River Bridge, Hutchinson County, 1963-1976 |
| 14 | 76 | State Line Interchange, Texarkana, Bowie County, 1964-1976 |
| 14 | 77 | Steen Saline, Lindale, Smith County, 1975 |
| 14 | 78 | Stein Ice Plant, Fredericksburg, Gillespie County, 1975-1976 |
| 14 | 79 | Stephen Dexter Arthur Cotton Gin, Knickerbocker, Tom Green County, 1975 |
| 14 | 80 | Stephens County Carbon Black Plants, Stephens County, 1952-1975 |
| 14 | 81 | Stephensons Ferry, Sulphur River, Bowie County, 1952-1975 |
| 14 | 82 | Sterling County Iron Truss Bridges, Sterling City, Sterling County, 1975 |
| 14 | 83 | Sterling Public Land Surveys, Sterling County, 1975-1976 |
| 14 | 84 | Stewards Mill and Cotton Gin, Stewards Mill, Freestone County, 1952-1975 |
| 14 | 85 | Stinson Reliant 50SR6 1935 Aircraft, Brownwood, Brown County, 1975 |
| 14 | 86 | St. Louis, Brownsville, and Mexico Railway, Robstown to Brownsville, Nueces, Cameron, Kleberg, Willacy, and Kenedy Counties, 1952-1978 |
| 14 | 87 | St Louis, San Francisco, and Texas Railway, Grayson, Kerr, Lamar, Menard, and Tarrant Counties, 1952-1975 |
| 14 | 88 | St. Marys of Aransas Harbor Improvements, Refugio County, 1952-1975 |
| 14 | 89 | Straw Bridge of the Red River, Hardeman county, 1893-1974 |
| 14 | 90 | Straws Mill, Gatesville, Coryell County, 1952-1975 |
| 14 | 91 | Study Butte Mining District, Study Butte, Brewster County, 1952-1975 |
| 14 | 92 | Sublime Iron Truss Bridge, Lavaca County, 1975-1976 |
| 14 | 93 | Sugar Mill, Eagle Lake, Colorado County, 1975-1976 |
| 14 | 94 | Sulphur Fork Iron Company, Cass County, 1976 |
| 14 | 95 | Sun Petroleum Shipping Facilities, Sun, Jefferson County, 1952-1975 |
| 14 | 96 | Sutton Sawmill, Chireno, Nacodoches County, 1975 |
| 14 | 97 | Swash Lighthouse, Matagorda County, 1974 |
| 14 | 98 | Sweetwater Army Airfield, Sweetwater, Nolan County, 1952-1975 |
| 14 | 99 | Syrup Pan Water Control system, Spur, Dickens County, 1975 |
| Texas, 1839-1995 and undated | ||
| 14 | 100 | Sweetwater Waterworks, Nolan County, 1948-1976 |
| 14 | 101 | Talco Oil Field, Talco, Titus County, 1975-1976 |
| 14 | 102 | Tassi Belle-Starr And Crescent Furnaces, New Birmingham, Cherokee County, 1968-1976 |
| 14 | 103 | Taylor Bedding Manufacturing Company, Taylor, Williamson County, 1975-1976 |
| 14 | 104 | Taylor Citizens Light and Power Company Plant, Taylor, Williamson County, 1973-1976 |
| 14 | 105 | Taylor Cotton Compress, Taylor, Williamson County, 1975-1976 |
| 14 | 106 | Taylor Cub J2 1936 Aircraft, Brownwood, Brown County, 1975 |
| 14 | 107 | Taylor Lime Kiln, Austin, Travis County, 1976 |
| 14 | 108 | Taylor Refinery, Taylor, Williamson County, 1975-1976 |
| 14 | 109 | Taylor Waterworks, Taylor, Williamson County, 1890-1975 |
| 14 | 110 | T. C. Thompson Gristmill, Round Rock, Williamson County, 1975-1976 |
| 14 | 111 | Temple Light and Power Company Plant, Temple, Bell County, 1973-1976 |
| 14 | 112 | The Telegraph Road (Huntsville-Montgomery, Houston Road), Walker, Montgomery, and Harris Counties, 1975 |
| 14 | 113 | Temple Plywood Factory, Diboll, Angelina County, 1975 |
| 14 | 114 | Temple Waterworks, Temple, Bell County, 1890-1974 |
| 15 | 1 | Terlingua Mining District, Terlingua, Brewster County, 1901-1978 |
| 15 | 2 | Terrell Waterworks, Terrell, Kaufman County, 1890-1975 |
| 15 | 3 | Texarkana Interlocking Railway Signal System, Texarkana, Bowie County, 1974 |
| 15 | 4 | Texarkana Union Station and Trust, Texarkana, Bowie and Miller Counties, 1975-1976 |
| 15 | 5 | Texarkana Waterworks, Texarkana, Bowie County, 1890-1975 |
| 15 | 6 | Texas and Pacific Railway Construction 1880-1881, El Paso, Midland, Tarrant, and Taylor Counties, 1975 |
| 15 | 7 | Texas Calumet Copper Mines, Culberson County, 1973-1976 |
| 15 | 8 | Texas Engineering Experiment Station, College Station, Brazos County, 1952-1975 |
| 15 | 9 | Texas Extension of the Chisolm Trail, Cameron, Wise, Wilson, McClennan, and Tarrant Counties 1952-1975 |
| 15 | 10 | Texas Gulf Sulphur Mine, Liberty, Liberty County, 1975-1976 |
| 15 | 11 | Texas Intracoastal Waterway, Orange, Jefferson, Galveston, Nueces, and Cameron Counties, 1952-1978 |
| 15 | 12 | Texas Mining and Improvement Company, Burnet County, 1976 |
| 15 | 13 | Texas Power and Light Company High-Voltage Transmission Line 1913, Waco to Fort Worth, McClennan, Johnson, Tarrant, Navarro, and Ellis Counties, 1973-1978 |
| 15 | 14 | Texas Power and Light Company, Waco Generating Station 1914, McClennan County, 1974-1975 |
| 15 | 15 | Texas Power and Light Reservoir – Bonham, Fannin County, 1975-1976 |
| 15 | 16 | Texas State Fairgrounds Livestock Building, Dallas, Dallas County, 1974 |
| 15 | 17 | Texas State Fairgrounds Race Track, Dallas, Dallas County, 1974 |
| 15 | 18 | Texas State Highway Department, Austin, Travis County, 1974 |
| 15 | 19 | Texas State Railroad, Rusk to Palestine, Anderson and Cherokee Counties, 1974-1976 |
| 15 | 20 | Texas Viaduct, Texarkana, Bowie County, 1975-1976 |
| 15 | 21 | The Old Stone Fort, Nacodoches, Nacodoches County, 1973-1976 |
| 15 | 22 | Thermo Brick Plant, Thermo, Hopkins County, 1952-1975 |
| 15 | 23 | Thicket Sawmill, Thicket, Hardin County, 1952-1975 |
| Texas, 1839-1995 and undated | ||
| 15 | 24 | Thompsons Ferry, Richmond, Fort Bend County, 1952-1975 |
| 15 | 25 | Thompsons Oil Field, Thompson, Fort Bend County, 1975-1976 |
| 15 | 26 | Thorp Spring Cotton Gin, Thorp Spring, Hood County, 1952-1975 |
| 15 | 27 | Thrall Oil Field, Thrall, Williamson County, 1975-1976 |
| 15 | 28 | 350,000 Volt Line, Harris to Dallas Counties, 1973-1976 |
| 15 | 29 | Thurber Coal Mines, Erath and Palo Pinto Counties, 1890-1974 |
| 15 | 30 | Tierra Blanca and Frio Irrigation Project, Deaf Smith County, 1910-1976 |
| 15 | 31 | Tilmons Mill, Tilmon, Caldwell County, 1952-1975 |
| 15 | 32 | Tin Top Suspension Bridge, Tin Top, Parker County, 1962-1981 |
| 15 | 33 | Tivoli Waterworks, Tivoli, Refugio County, 1975 |
| 15 | 34 | Toledo Bend Reservoir, Sabine river, Newton, Panola, Sabine, and Shelby Counties, 1976 |
| 15 | 35 | Tomball Gin and Press, Tomball, Harris County, 1976 |
| 15 | 36 | Tom Bonner Salt Works, Salt City, Anderson County, 1952-1975 |
| 15 | 37 | Torbert Railway Water System, Torbert, Hudspeth County, 1974 |
| 15 | 38 | Torres Irrigation Works, Pecos County, 1971-1975 and undated |
| 15 | 39 | Towash Dam, Brazos river, Towash, Hill County, 1952-1976 |
| 15 | 40 | Towns Mill, Williamson County, 1952-1975 |
| 15 | 41 | Toyah Artesian Wells, Toyah, Reeves County, 1975 |
| 15 | 42 | Toyah Hand Dug Oil Wells, Reeves County, 1975 |
| 15 | 43 | Toyah Railway Water System, Toyah, Reeves County, 1975 |
| 15 | 44 | Toyah Waterworks, Toyah, Reeves County, 1971-1975 |
| 15 | 45 | Trammels Trace, Conway Arkansas to Nacodoches Texas, Bowie, Cass, Marion, Harrison, and Nacodoches Counties, 1952-1975 |
| 15 | 46 | Trinity and Brazos Valley Railway, Cleburne to Teague, Johnson, Limestone, Freestone, and Hill Counties, 1971-1977 |
| 15 | 47 | Trinity and Brazos Valley Railway Depot, Cleburne, Johnson County, 1971-1978 |
| 15 | 48 | Trinity River Bridge on State Highway 7, Crockett, Houston County, 1961-1976 |
| 15 | 49 | Trinity River Canal, Gulf of Mexico to Fort Worth, Tarrant, Dallas, Chambers, Liberty, Polk, 1952-1978 |
| 15 | 50 | Trinity River Flood Dike, Houston County, 1976 |
| 15 | 51 | Trinity River Locks, Houston County, 1975 |
| 15 | 52 | Trinity River Irrigation District Levee circa 1914, Anahuac, Chambers County, 1975 |
| 15 | 53 | Trotti Logging Camp, Newton County, 1952-1975 |
| 15 | 54 | Tryon Sawmill, Hardin County, 1952-1975 |
| 15 | 55 | Trueheart Ditch, San Antonio, Bexar County, 1952-1974 |
| 15 | 56 | Tulia Waterworks, Tulia, Swisher County, 1971-1976 |
| 15 | 57 | Turpentine Camp and Distillery, Turpentine, Jasper County, 1952-1975 |
| 15 | 58 | Twin Buttes Reservoir, San Angelo, Tom Green County, 1970-1976 |
| 15 | 59 | Tyler Electric Plant, Tyler, Smith County, 1973-1976 |
| 15 | 60 | Tyler Waterworks, Smith County, 1890-1975 |
| 15 | 61 | Tyler Gun Plant (Short and Biscoe Gun Factory), Tyler, Smith County, 1952-1975 |
| 15 | 62 | Uden Brewery, Jefferson, Marion County, 1975 |
| 15 | 63 | Underwriters Producing and Refining Company Abrams No. 1 Well, Colorado City, Mitchell County, 1975 |
| 15 | 64 | Upper Pine Springs Pump station, Guadalupe Mountains National Park, Culberson County, 1973-1978 |
| 15 | 65 | Upright Oil-Burning Irrigation Engine, Plainview, Hale County, 1975 |
| 15 | 66 | U. S. 90 Pecos River Bridges, Val Verde County, 1965-1976 |
| Texas, 1839-1995 and undated | ||
| 15 | 67 | U. S. Highway 290 Brazos River Bridge, Washington County, 1972-1976 |
| 15 | 68 | United States Geologic Survey (U.S.G.S.) Stream Gauging Station on North Concho River, Sterling City, Sterling County, 1975 |
| 15 | 69 | U. S. S. Cavalla (Submarine), Galveston, Galveston County, 1975 and undated |
| 15 | 70 | Uvalde and Northern Railroad, Uvalde and Real Counties 1975 |
| 15 | 71 | Uvalde Asphalt Mines, Uvalde, Uvalde County, 1959-1976 |
| 15 | 72 | Uvalde Waterworks, Uvalde, Uvalde County, 1971-1975 |
| 15 | 73 | Valentine Railway Water Supply, 1952-1975 |
| 15 | 74 | Valentine Tunnel, Valentine, Presidio County, 1975 |
| 15 | 75 | Valley Mills Flour Mill, Valley Mills, Bosque County, 1976 |
| 15 | 76 | Valley Mills Railroad Embankment, Valley Mills, Bosque County, 1976 |
| 15 | 77 | Val Verde Winery, Del Rio, Val Verde County, 1970-1976 |
| 15 | 78 | Van Horn Railway Water Wells, Van Horn, Culberson County, 1971-1976 |
| 15 | 79 | Van Oil Field, Van Zandt County, 1952-1975 |
| 15 | 80 | Varner Sugar Mill, West Columbia, Brazoria County, 1970-1978 |
| 15 | 81 | Vaughn Brothers Oil-Burning Irrigation Engine 1914, Tulia, Swisher County, 1975-1978 |
| 15 | 82 | Vernon Waterworks, Vernon, Wilbarger County, 1890-1979 |
| 15 | 83 | Victoria “Dutch” Windmill, Victoria, Victoria County, 1968-1978 |
| 15 | 84 | Victoria Iron Tubular Bridge, Victoria, Victoria County, 1974 |
| 15 | 85 | Victoria Waterworks, Victoria, Victoria County, 1890-1974 |
| 15 | 86 | Victory Field, Vernon, Wilbarger County, 1952-1975 |
| 15 | 87 | Vidor Logging Camp, Vidor, Orange County, 1952-1975 |
| 15 | 88 | Vidor Plant of the Beaumont Brick Works, Vidor, Orange County, 1952-1975 |
| 15 | 89 | Viking Coal Mines, Coleman County, 1976 |
| 15 | 90 | Village Mills, Sawmill, Village Mills, Hardin County, 1952-1976 |
| 15 | 91 | Vinces Bridge, Vinces Bayou, Harris County, 1952-1975 |
| 15 | 92 | Viterbo Irrigation Canals, Nederland, Jefferson County, 1976 |
| 15 | 93 | Vogel Lignite Coal Mine, Rockdale, Milam County, 1952-1976 |
| 15 | 94 | Voth Sawmills, Voth, Jefferson County, 1952-1975 |
| 15 | 95 | Waco Gas System, McClennan County, 1974 |
| 15 | 96 | Waco Ice Plant, McClennan County, 1966-1973 |
| 15 | 97 | Waco, Beaumont, Trinity, and Sabine Valley Railway, Houston, Trinity, and Walker Counties, 1952-1979 |
| 15 | 98 | Waco Suspension Bridge, McClennan County, 1914-1978 |
| 16 | 1 | Waco Waterworks, McClennan County, 1890-1974 |
| 16 | 2 | Walker-Buckler Ranch Suspension Bridge, Shackelford County, 1975-1976 |
| 16 | 3 | Walling Gin, Cottle County, 1952-1975 |
| 16 | 4 | Walsh and Company Lime Plant, Round Rock, Williamson County, 1975-1976 |
| 16 | 5 | Warren Ranch/Farm Irrigation Well, Muleshoe, Bailey County, 1976 |
| 16 | 6 | Washburn Wooden Elevator, Washburn, Armstrong County, 1975-1976 |
| 16 | 7 | Washington Anderson Gristmill, Round Rock, Williamson County, 1975-1976 |
| 16 | 8 | Washington County Railroad Bridge, Washington County, 1974 |
| 16 | 9 | Waxahachie Creek Two-Lane Iron Truss Bridge 1889, Waxahachie, Ellis County, 1952-1978 |
| 16 | 10 | Waxahachie Electric and Gas Company, Ellis county, 1973-1976 |
| 16 | 11 | Weatherford Coal Company, Weatherford, Parker County, 1976 |
| 16 | 12 | Weatherford Waterworks, Weatherford, Parker County, 1890-1975 |
| Texas, 1839-1995 and undated | ||
| 16 | 13 | Webb Air Force Base, Big Spring, Howard County, 1952-1979 |
| 16 | 14 | Weir Number 1 Oil Well, Upton County, undated |
| 16 | 15 | Wellington Waterworks, Collingsworth County, 1971-1975 |
| 16 | 16 | Wenasco Turpentine Camp, Wenasco, Jasper County, 1952-1975 |
| 16 | 17 | Wesley Chapel Steel Truss Highway Bridge, Wesley Chapel, Erath County, 1975 |
| 16 | 18 | West Columbia House, West Columbia, Brazoria County, 1976 |
| 16 | 19 | West Columbia Oil Field, Brazoria County, 1952-1975 |
| 16 | 20 | West of Pecos Railroad Camps District, Comstock, Val Verde County, 1974-1975 |
| 16 | 21 | West Willingham Street Bridge, Cleburne, Johnson County, 1975 |
| 16 | 22 | Western Trail, Fort Griffin, Texas to Dodge City Kansas, Bexar, Shackelford, Wilbarger, Baylor, and Throckmorton Counties, 1952-1975 |
| 16 | 23 | White Rock Creek Interurban Bridge, Dallas, Dallas County, 1914-1974 |
| 16 | 24 | Whitesmine Asphalt Mine, Cline, Uvalde County, 1952-1975 |
| 16 | 25 | Whitney Dam, Brazos River, Hill and Bosque County, 1952-1978 |
| 16 | 26 | Whitney Waterworks, Whitney, Hill County, 1971-1975 |
| 16 | 27 | Whitton Oil Well, Ratcliff, San Augustine County, 1975 |
| 16 | 28 | Wichita Falls Waterworks, Wichita Falls, Wichita County, 1890-1979 |
| 16 | 29 | Wiergate Domestic Water Distillation System, Wiergate, Newton County, 1971-1975 |
| 16 | 30 | Wiergate Sawmill, Wiergate, Newton County, 1952-1975 |
| 16 | 31 | Wilbarger Trace, Bastrop County, 1975 |
| 16 | 32 | William Winters Sawmill and Gristmill, Wimberley, Hays County, 1952-1975 |
| 16 | 33 | Winters Waterworks, Winters, Runnels County, 1971-1975 |
| 16 | 34 | Witts Steam Mill, Trinity Mills, Dallas County, 1952-1975 |
| 16 | 35 | Woodmyer Logging Camp, Woodmyer, Newton County, 1951-975 |
| 16 | 36 | Woodsboro Waterworks, Woodsboro, Refugio County, 1975 |
| 16 | 37 | Woods Fort, Fayette County, 1952-1975 |
| 16 | 38 | Wooten Wells Health Resort, Bremond, Robertson County, 1952-1975 |
| 16 | 39 | Worley Lignite Coal Mine, Rockdale, Milam County, 1952-1975 |
| 16 | 40 | W. R. Chumley Ice Plant, Georgetown, Williamson County, 1975-1976 |
| 16 | 41 | Wright Patman Dam and Lake, Texarkana, Bowie, an Cass Counties, 1975-1976 |
| 16 | 42 | XIT Ranch Dam on Tierra Blanca Creek, Deaf Smith County, 1969-1976 |
| 16 | 43 | XIT Ranch Electric Fence and Telephone Line, Oldham County, 1952-1976 |
| 16 | 44 | XIT Ranch Yellowhouse Division Headquarters Windmill, Hockley County, 1966-1976 |
| 16 | 45 | X-Ray Natural Gas Field, X-Ray, Erath County, 1952-1975 |
| 16 | 46 | Yankee Branch Bridge, Keliehor, Williamson County, 1975-1976 |
| 16 | 47 | Yates Oil Field, Pecos County, 1952-1976 |
| 16 | 48 | Yegua Creek Oil Drilling, Yegua Creek, Lee County, 1976 |
| 16 | 49 | Yellowhouse Canyon Truss Bridge, Lubbock, Lubbock County, 1913-1974 |
| 16 | 50 | Yoakum Oil Field, Yoakum, Lavaca County, 1965-1976 |
| 16 | 51 | Youngs Iron Furnace, Cherokee County, 1976 |
| 16 | 52 | Zapata County Bridge, Zapata County, 1967-1976 |
| 16 | 53 | Zero Stone, Fort Stockton, Pecos County, 1970-1976 |
| 16 | 54 | Zodiac Mill, Fredericksburg, Gillespie County, 1899-1975 |
| Historic Engineering Site Inventory-General Files, 1974-1977 | ||
| 16 | 55 | Grant Proposals to Texas Historical Commission, 1974-1976 |
| 16 | 56 | Notes on Historic Engineering Site Inventory (HESI) by T. Lindsay Baker, 1976 |
| 16 | 57 | Preface Printout, 1977 |
| 16 | 58 | Progress Report, 1977 |
| Texas, 1839-1995 and undated | ||
| 16 | 59 | Questionnaire Form Letter, 1975 |
| 16 | 60 | Site Listing: San Antonio, Bexar County, circa 1975 |
| 16 | 61 | Suggestions, 1976 |
| Cleburne Historical Survey, 1879-1988 and undated | ||
| 16 | 62 | Correspondence, undated |
| 16 | 63 | Alvarado Street, 1984 and undated |
| 16 | 64 | North Anglin, 1984 and undated |
| 16 | 65 | South Anglin, 1984 |
| 16 | 66 | Atlantic Street, 1984 |
| 16 | 67 | Baird Street, 1984 |
| 16 | 68 | Bales Street, 1984 |
| 16 | 69 | Barber Street, 1984 |
| 16 | 70 | Bellevue Street, 1984 |
| 16 | 71 | Border Street, 1984 |
| 16 | 72 | Brazos Street, 1984 |
| 16 | 73 | Brown Street, 1984 |
| 16 | 74 | Buffalo Street, 1972-1984 |
| 16 | 75 | Caddo Street, 1903-1984 |
| 16 | 76 | Cedar Street, 1984 |
| 16 | 77 | Chambers Street, 1893-1984 |
| 16 | 78 | Chase Street, 1984 |
| 16 | 79 | College Street, 1984 |
| 16 | 80 | Courthouse Plaza, 1954-circa 1987 |
| 16 | 81 | Douglas Street, 1984 |
| 16 | 82 | English Street, 1984 |
| 16 | 83 | Euclid Street, 1984 |
| 16 | 84 | Evans Street, 1984 |
| 16 | 85 | Featherstone Street, 1983-1987 |
| 16 | 86 | Forest Drive, 1984 |
| 16 | 87 | Granbury Street, 1984 and undated |
| 16 | 88 | Grand Street, 1984 |
| 16 | 89 | Harrell Street, 1984 and undated |
| 16 | 90 | Heard Street, 1984 |
| 16 | 91 | Heath Street, 1984 |
| 16 | 92 | Henderson Street, 1902-1984 |
| 16 | 93 | Hillsboro Street, 1984 and undated |
| 16 | 94 | James Street, 1984 |
| 16 | 95 | Lonestar Street, 1974-1984 |
| 16 | 96 | Madison Street, 1984 |
| 17 | 1 | Main Street, 1950-1984 and undated |
| 17 | 2 | Mansfield Road, 1984 |
| 17 | 3 | McAnear Street, 1984 |
| 17 | 4 | Mills Street, 1984 and undated |
| 17 | 5 | Olive Street, 1984 |
| 17 | 6 | Oran Street, 1984 |
| 17 | 7 | Pendell Street, 1984 |
| 17 | 8 | Poindexter Street, 1984 |
| 17 | 9 | Prairie Street, 1984 and undated |
| Texas, 1839-1995 and undated | ||
| Cleburne Historical Survey, 1879-1988 and undated | ||
| 17 | 10 | Robins Street, 1984 |
| 17 | 11 | Robinson Street, 1974-1984 and undated |
| 17 | 12 | Royal Street, 1984 |
| 17 | 13 | Santa Fe Yards, 1984 |
| 17 | 14 | Shaw Street, 1984 |
| 17 | 15 | Smith Street, 1984 |
| 17 | 16 | Sunset Street, 1984 |
| 17 | 17 | Trinity Street, 1984 |
| 17 | 18 | Turner Street, 1984 |
| 17 | 19 | Walnut Street, 1984 |
| 17 | 20 | Wardville Street, 1893-1984 |
| 17 | 21 | Washington Street, 1984 |
| 17 | 22 | Wilhite Street, 1974-1984 |
| 17 | 23 | William Street, 1984 |
| 17 | 24 | Willingham Street, 1984 |
| 17 | 25 | Wilson Street, 1974-1984 and undated |
| 17 | 26 | Wood Street, 1984 |
| 17 | 27 | Woodward Street, 1984 |
| 17 | 28 | Completed Survey Forms, 1024 Alvarado to 705 Featherstone, 1987 |
| 17 | 29 | Completed Survey Forms (copy 2), 1024 Alvarado to 705 Featherstone, 1987 |
| 17 | 30 | Completed Survey Forms, 206 Forrest to 306 West Woodward, 1987 |
| 17 | 31 | Completed Survey Forms (copy 2), 206 Forrest to 306 West Woodward |
| 18 | 1 | Bibliographies/Contacts, 1985-1987 and undated |
| 18 | 2 | General Historical Data, 1906-1986 and undated |
| 18 | 3 | General Notes of Joe King and Don Abbe, undated |
| 18 | 4 | Historic Photographs (photocopies) – General, circa 1907-1979 and undated |
| 18 | 5 | Field Forms/Photograph Logs, 1987 |
| 18 | 6 | Photograph Logs and Contact Sheets, 1987 |
| 18 | 7 | Structures in University of Texas Survey not Included in C.H.E.T. Survey, 1974-1984 |
| Literary Productions: “Final Report: An Architectural/Historical Survey of Cleburne, Texas” by the Center for Historic Preservation and Technology | ||
| 18 | 8 | “Final Report: An Architectural/Historical Survey of Cleburne, Texas” by the Center for Historic Preservation and Technology, 1988 |
| 18 | 9 | Rough Draft and Outline, circa 1988 |
| 18 | 10 | Draft, circa 1988 |
| Clippings and Bibliographic References, 1893-1905 and undated | ||
| Printed Material | ||
| 18 | 11 | Clippings: 1902 Railroad Strike, 1902 |
| 18 | 12 | Clippings: Banking, undated |
| 18 | 13 | Clippings: Business/Industry, 1895-1973 |
| 18 | 14 | Clippings: Churches, 1975-1978 and undated |
| 18 | 15 | Clippings: People, 1895-1975 and undated |
| 18 | 16 | Clippings: Schools, Public and Private, 1954 and undated |
| 18 | 17 | Clippings: Transportation, 1902-1983 and undated |
| 18 | 18 | Cleburne City Directory 1900-1901, Volume 2 |
| Texas, 1839-1995 and undated | ||
| Cleburne Historical Survey, 1879-1988 and undated | ||
| 19 | 1 | Cleburne City Directory 1907, 1907 |
| 19 | 2 | “Cleburne, Texas: The Friendly City”, undated |
| 19 | 3 | “Cleburne, Texas: The Jersey Isle of Texas”, undated |
| 19 | 4 | Cleburne Times-Review, Centennial – Progress Edition, 1967 |
| 19 | 5 | “Cleburne Up-To-Date”, 1917 |
| 19 | 6 | History and Description of Johnson County and its Principal Towns…, by A. J. Byrd, 1879 |
| 19 | 7 | Save Old Cleburne Presents: The Enterprise Souvenir Edition in Photographs, 1984 |
| 19 | 8 | Souvenir. Cleburne, Texas: Past and present, Progress and Prosperity 1867-1909, circa 1909 |
| 19 | 9 | The Truth About Cleburne and Johnson County in Texas, 1905 |
| 19 | 10 | Maps, undated |
| 19 | 11 | Lubbock, City of, Historic Site Survey, 1974 |
| 19 | 12 | Lubbock Lakes Interpretation, Reclamation, and Re-Use, 1977 |
| 19 | 13 | Lubbock Pictorial History Correspondence, 1976-1977 |
| Lubbock County Historic Farm Equipment Research | ||
| 19 | 14 | Budget and Proposals, 1974-1976 |
| 19 | 15 | Slide Show Texts, 1975 |
| 19 | 16 | Phase II, 1974-1976 |
| 19 | 17 | Phase II, 1975-1976 |
| 19 | 18 | Padre Island Site Inventory, 1975 |
| Pampa Historical/Architectural Survey, 1913-1988 and undated | ||
| 19 | 19 | Correspondence/Proposal, 1985-1988 |
| 19 | 20 | Albert Street, circa 1987 |
| 19 | 21 | Alcock Street, circa 1987 |
| 19 | 22 | Atchison Street, circa 1987 |
| 19 | 23 | Ballard Street, circa 1987 |
| Pampa Historical/Architectural Survey, 1913-1988 and undated | ||
| 19 | 24 | Brown Street, circa 1987 |
| 19 | 25 | Browning Street, circa 1987 |
| 19 | 26 | Buckler Street, circa 1987 |
| 19 | 27 | Christine Street, circa 1987 |
| 19 | 28 | Courthouse/City Hall, 1929-circa 1987 |
| 19 | 29 | North Cuylar Street, 1930-circa 1987 |
| 19 | 30 | South Cuylar Street, 1916-circa 1987 |
| 19 | 31 | Duncan Street, circa 1987 |
| 19 | 32 | Faulkner Street, circa 1987 and undated |
| 19 | 33 | Fisher Street, circa 1987 |
| 19 | 34 | Foster Street, 1932-circa 1087 |
| 19 | 35 | Francis Street, 1932-circa 1987 |
| 19 | 36 | Frost Street, circa 1987 and undated |
| 19 | 37 | Gillespie Street, circa 1987 |
| 19 | 38 | Gray Street, 1932-circa 1987 and undated |
| 19 | 39 | Gwendolyn Street, circa 1987 |
| 19 | 40 | Harvester Street, circa 1987 and undated |
| 19 | 41 | Hobart Street, 1927-circa 1987 and undated |
| Texas, 1839-1995 and undated | ||
| Pampa Historical/Architectural Survey, 1913-1988 and undated | ||
| 19 | 42 | Kentucky Street, circa 1987 and undated |
| 19 | 43 | Kingsmill Street, 1930-circa 1987 and undated |
| 19 | 44 | Le Fors Street, circa 1987 |
| 19 | 45 | Magnolia Street, circa 1987 |
| 19 | 46 | Mary Ellen Street, 1932-circa 1987 and undated |
| 19 | 47 | Nelson Street, circa 1987 |
| 19 | 48 | Purviance Street, circa 1987 |
| 19 | 49 | Reid Street, circa 1987 |
| 19 | 50 | Roberta Street, circa 1987 |
| 19 | 51 | Russell Street, 1931-circa 1987 and undated |
| 19 | 52 | Schneider Street, circa 1987 |
| 19 | 53 | Somerville Street, circa 1987 |
| 19 | 54 | Sumner Street, circa 1987 and undated |
| 19 | 55 | Tuke Street, circa 1987 and undated |
| 19 | 56 | Tyng Street, circa 1987 |
| 19 | 57 | Ward Street, 1932-1987 and undated |
| 19 | 58 | Warren Street, circa 1987 |
| 19 | 59 | West Street, circa 1987 and undated |
| 19 | 60 | Wilcox Street, circa 1987 |
| 19 | 61 | Worley Hospital, circa 1987 |
| 19 | 62 | Yeager Street, 1987 |
| 20 | 1 | Completed Survey Forms with Photographs – PAM-001 to PAM-084, 1987 |
| 20 | 2 | Completed Survey Forms with Photographs – PAM-085 to PAM-175, 1987 |
| 20 | 3 | Photograph Logs, Contact Sheets, and Negatives, 1984-1987 |
| 20 | 4 | Architectural Elevation and Detail Drawings for Montgomery Ward and Company Business Building (Photocopies), 1929 |
| 20 | 5 | National Register Materials – General Historical Data, 1913-1984 and undated |
| 20 | 6 | Nomination Main Description and Significance, circa 1987 |
| 20 | 7 | Historic Resources of Pampa National Register Nomination Draft, circa 1987-1988 |
| 20 | 8 | Post Office National Register Nomination, 1982-1986 and undated |
| 20 | 9 | Schneider Hotel National Register Nomination, 1985 and undated |
| 20 | 10 | Site Specific Data – Buildings not Nominated, 1907-1982 and undated |
| 20 | 11 | Pampa City Hall/State Marker, circa 1987 |
| 20 | 12 | Literary Productions: “Final Report: A Survey of the Historic Resources of Pampa, Texas”, by the Center for Historic Preservation and Technology, 1988 |
| Texas, 1839-1995 and undated | ||
| Pampa Historical/Architectural Survey, 1913-1988 and undated | ||
| Printed Material | ||
| 21 | 1 | Pampa City Directory (Photocopy), 1929 |
| 21 | 2 | Pampa City Directory (Photocopy), 1930 |
| 21 | 3 | Pampa City Directory (Photocopy), 1931 |
| 21 | 4 | Pampa City Directory (Photocopy), 1932 |
| 21 | 5 | Pampa City Directory (Photocopy), 1933 |
| 21 | 6 | Pampa City Directory (Photocopy), 1934 |
| 21 | 7 | Pampa City Directory (Photocopy), 1935 |
| 21 | 8 | Pampa City Directory (Photocopy), 1936 |
| 21 | 9 | Pampa City Directory (Photocopy), 1937 |
| 21 | 10 | Pampa City Directory (Photocopy), 1938 |
| 21 | 11 | Pampa City Directory (Photocopy), 1939 |
| 21 | 12 | Pictorial Pampa, 1932 |
| 21 | 13 | Maps, undated |
| 21 | 14 | Texas General Contractors Information, 1988 |
| Historic American Engineering Record, 1971-1972 | ||
| 21 | 15 | Inventory of Sites Documented, 1972 |
| Research on the History of the Water Supply Systems in the American Southwest | ||
| 21 | 16 | Austin Artesian Well, 1971 |
| 21 | 17 | Austin Dam, 1971 |
| 21 | 18 | Ballinger Water Works, 1971 |
| 21 | 19 | Balmorhea Project, 1971 |
| 21 | 20 | Fort Davis Water Supply System, 1971 |
| 21 | 21 | Franklin Canal, 1971 |
| 21 | 22 | Hueco Tanks, 1971 |
| 21 | 23 | Lake Justiceburg, 1971 |
| 21 | 24 | Medina Dam, 1971 |
| 21 | 25 | Railroad Eclipse Windmill, 1971 |
| 21 | 26 | Post Water Works, 1971 |
| 21 | 27 | San Antonio Acequias, 1971 |
| 21 | 28 | Ysleta Acequia, 1971 |
| 21 | 29 | Amarillo Historic Site Survey Proposal, undated |
| Bibliographies | ||
| 21 | 30 | General Engineering, undated |
| 21 | 31 | Irrigation, undated |
| 21 | 32 | Mining, undated |
| 21 | 33 | County Historical Commissions List, 1976 |
| 21 | 34 | National Register of Historic Places Nominations, 1974-1978 |
| Arizona, 1866-1994 and undated | ||
| Site Investigation Summary, 1971-1981 | ||
| 21 | 35 | #001-199, 1971-1981 |
| 21 | 36 | #200-399, 1971-1980 |
| 21 | 37 | #400-599, 1979-1981 |
| 21 | 38 | #600-799, 1979-1980 |
| 22 | 1 | #800-999, 1979-1981 |
| 22 | 2 | #54-001 to 54-199, 1980-1981 |
| 22 | 3 | #54-200 to 54-399, 1980-1981 |
| 22 | 4 | #54-400 to 54-449, 1980 |
| 22 | 5 | “A” Canal – Gila Project, Yuma County, 1980 |
| 22 | 6 | ABC Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 22 | 7 | Adams Mine Group, Castle Dome Mining District, Yuma County, 19331-978 |
| 22 | 8 | Agua Caliente, Maricopa County, 1973-1980 |
| 22 | 9 | El Mirage, Maricopa County, 1979-1981 |
| 22 | 10 | Agua Fria River Highway Bridge at Avondale 1915, 1915-1979 |
| 22 | 11 | Agua Fria Bridge at Marinette, Sun City, Maricopa County, 1921-1981 and undated |
| 22 | 12 | Agua Fria River Southern Pacific Railroad Bridge 1926, 1978-1979 and undated |
| Arizona, 1866-1994 and undated | ||
| 22 | 13 | Ajay Mine Group, Pima County, 1979 |
| 22 | 14 | Ajo Consolidated Mine, Ajo, Pima County, 1974-1979 |
| 22 | 15 | Ajo Cornelia Mine, Ajo, Pima County, 1979 |
| 22 | 16 | Ajo Mines, Ajo, Pima County, 1910-1979 |
| 22 | 17 | Ajo Sonoita Road, Pima County, 1980 and undated |
| 22 | 18 | Alamo Crossing, Mohave and Yuma Counties, 1969-1980 |
| 22 | 19 | Alamo Mining District, Eastern Buckskin Mountains in Northeastern Yuma Counties, 1978 |
| 22 | 20 | Alamo Springs Mining District, Northern Kofa Mountains, Yuma County, 1933-1978 |
| 22 | 21 | Alaskan Mine, Harqua Hala Mining District, Yuma County, 1934-1978 |
| 22 | 22 | Albatross Mine, Pima County, 1979 |
| 22 | 23 | Alexandra Mining Camp, Yavapai County, 1969-1979 |
| 22 | 24 | Alison Creek Southern Pacific Railroad Bridge, Gila County, 1979 and undated |
| 22 | 25 | All-American Canal System, Yuma County Arizona and Imperial and Riverside Counties, California |
| 22 | 26 | Allen Mining Camp, Pima County, 1969-1979 and undated |
| 22 | 27 | Allentown Bridge, Allentown, Apache County, 1924-1981 |
| 22 | 28 | Alpha Mine, Pinia County, 1974-1980 |
| 22 | 29 | Alta Mine, Santa Cruz County, 1975-1980 |
| 22 | 30 | Alto (Mining Camp), Santa Cruz County, 1969-1980 |
| 22 | 31 | Alto Mine Group, Santa Cruz County, 1975-1980 |
| 22 | 32 | Amado Bridge, Amado, Santa Cruz County, 1926-1981 |
| 22 | 33 | Amado Mine Group, Pima County, 1979 |
| 22 | 34 | Amelia Mine (Gallo Mine), Silver Mining District, Yuma County, 1933-1978 |
| 22 | 35 | American Flag Mining Camp, Pinal County, 1969-1979 |
| 22 | 36 | American Mine, Santa Cruz County, 1975-1980 |
| 22 | 37 | Amole District, Tucson, Pima County, 1979 |
| 22 | 38 | Andrus Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 22 | 39 | Angel Camp, Maricopa County, 1978-1980 |
| 22 | 40 | Angellis Mine, Santa Maria Mining District, Yuma County, 1978 |
| 22 | 41 | Anita, Coconino County, 1935-1981 |
| 22 | 42 | Annie Mine (Anna Mine), Castle Dome Mining District, Yuma County, 1978 |
| 22 | 43 | Antelope Hill Highway Bridge, Gila River, Wellton, Yuma County, 1914-1978 |
| 22 | 44 | Antelope Peak Stage Station, near Tacna, Yuma County, 1947-1978 |
| 22 | 45 | Apache Chief Mine Group, Plomosa Mining District, Yuma County, 1978 |
| 22 | 46 | Apache Mine, La Paz Mining District, Yuma County, 1978 |
| 22 | 47 | Apache Pass Stage Station Site, Fort Bowie National Historic Site, Cochise County, 1972-1980 and undated |
| 22 | 48 | Apache Powder Company Explosives Factory, Curtis, Cochise County, 1966-1980 |
| 22 | 49 | Apache Railway, Holbrook, Navajo, and Apache Counties, 1979-1981 |
| 22 | 50 | Apache Trail (Roosevelt Road), Maricopa County, 1959-1980 and undated |
| 22 | 51 | Argus and Maryland Mine Group, Santa Maria Mining District, Yuma County, 1978 |
| 22 | 52 | Arivaca Creek Gold Placers, Pima County, 1974-1979 |
| 22 | 53 | Arivaca District, Pima County, 1979-1980 |
| 22 | 54 | Arivaca King Mine, Pima County, 1979 |
| 22 | 55 | Arizona and California Railroad, Wickenberg, Maricopa, Yavapai, and Yuma Counties, 1941-1981 |
| 22 | 56 | Arizona and Swansea Railroad, Bouse to Swansea, Yuma County, 1968-1978 |
| 22 | 57 | Arizona and Colorado Railroad Company, Cochise County, 19751980 |
| Arizona, 1866-1994 and undated | ||
| 22 | 58 | Arizona and New Mexico Railroad, Greenlee County, 1979 |
| 22 | 59 | Arizona and Utah Railroad, Kingman, Mohave County, 1979-1981 |
| 22 | 60 | Arizona Canal – Salt River Project, Maricopa County, 1905-1980 |
| 22 | 61 | Arizona Central Road Company, Prescott, Yuma, and Yavapai |
| 22 | 62 | Arizona Commercial Copper Company Smelter, Globe, Gila County, 1910-1981 |
| 22 | 63 | Arizona Consolidated Mine, Tucson, Pima County, 1979 |
| 22 | 64 | Arizona Copper Company Number 6 Concentration Plant, Morenci, Greenlee County, 1914-1979 |
| 22 | 65 | Arizona Copper Company Power House, Clifton, Greenlee County, 1980-1981 |
| 22 | 66 | Arizona Copper Company Smelter, Clifton, Greenlee County, 1916-1979 |
| 22 | 67 | Arizona Eastern Railroad Company, Cochise, Pinal, Maricopa, Gila, and Graham Counties, 1979-1981 |
| 22 | 68 | Arizona Extension Railroad, Clarkdale, Yavapai County, 1971-1981 |
| 22 | 69 | Arizona Lumber and Timber Company, Flagstaff, Coconino County, 1914-1981 |
| 22 | 70 | Arizona McGinnis Mine, Cienega Mining District, Yuma County, 1978 |
| 22 | 71 | Arizona Midway Mine, Midway Mining District, Yuma County, 1978 |
| 22 | 72 | Arizona Mine Supply Company, Prescott, Yavapai County, 1981 |
| 22 | 73 | Arizona Mineral Belt Railroad, Flagstaff, Cochise County, 1970-1981 |
| 22 | 74 | Arizona Narrow Gauge Railroad Company, Tucson, Pima County, 1934-1980 |
| 22 | 75 | Arizona Pride Mine, Cienega Mining District, Yuma County, 1978 |
| 22 | 76 | Arizona Sandstone Company Quarry, Flagstaff, Coconino County, 1914-1981 |
| 22 | 77 | Arizona Southern Railroad, Red Rock, Pima County, 1975-1980 |
| 22 | 78 | Arizona Southern Railroad Red Rock Depot, Red Rock, Pinal County, 1981 |
| 22 | 79 | Arizona and Southeastern Railroad, Bisbee, Cochise County, 1979-1980 |
| 22 | 80 | Arizona Stage Company, Tucson, Pima, Pinal, Maricopa, Yuma, and Yavapai Counties, 1979-1981 |
| 22 | 81 | Arizona Stage Company, Globe, Gila, and Pinal Counties, 1979-1981 |
| 22 | 82 | Arizona Telephone System, Tucson, Pima County, 1935-1981 |
| 22 | 83 | Arlington Extension Bridge, Hassayampa, Maricopa County, 1921-1981 |
| 22 | 84 | Ash Creek Bridge, Maricopa County, 1924-1981 |
| 22 | 85 | Ash Fork Overhead Bridge, Ash Fork, Yavapai County, 1926-1981 |
| 22 | 86 | Ash Fork Steel Dam, Johnsons Canyon, Coconino County, 1898-1994 |
| 22 | 87 | Ashton Creek Bridge, Cochise County, 1981 |
| 22 | 88 | Atlantic and Pacific Railroad, Coconino, Yavapai, Mohave, Apache, and Navajo, Counties, 1979-1980 and undated |
| 22 | 89 | Aubrey Landing, Mohave County, 1969-1979 |
| 22 | 90 | Augusta Mine, Santa Cruz County, 1910-1981 |
| 22 | 91 | Austerlitz Mine Group, Santa Cruz County, 1975-1980 |
| 22 | 92 | Ayers Sawmill, Flagstaff, Coconino County, 1916-1981 |
| 22 | 93 | Aztec Railway Water System, Aztec, Yuma County, 1978 |
| 22 | 94 | “B” Canal – Gila Project, Yuma County, 1980 |
| 22 | 95 | Babocomari Creek Bridge, Santa Cruz County, 1981 |
| 22 | 96 | Backbone Mine, Pima County, 1979 |
| 22 | 97 | Badger Creek Bridge, Coconino County, 1980 |
| 22 | 98 | Bagdad Mine, Bagdad, Yavapai County, 1966-1980 |
| 22 | 99 | Bangharts Stage Station and Railroad Depot, Yavapai County, 1974-1980 and undated |
| 22 | 100 | Bartlett Dam – Salt River Project, Carefree, Maricopa County, 1974-1980 and undated |
| Arizona, 1866-1994 and undated | ||
| 22 | 101 | Battleship Copper Mine, Midway Mining District, Yuma County, 1978 |
| 22 | 102 | Bayard, Yavapai County, 1935-1981 |
| 22 | 103 | Beales Road, Apache, Navajo, Coconino, Yavapai, and Mohave Counties, 1979-1981 |
| 22 | 104 | Beaver Bridge, Apache County, 1979-1980 |
| 22 | 105 | Beaver Head Station, Sedona, Yavapai County, 1973-1980 |
| 22 | 106 | Bee Hive Mine, Tucson, Pima County, 1979 |
| 22 | 107 | Beet Sugar Factory, Glendale, Maricopa County, 1976-1980 |
| 22 | 108 | Belgravia, Kelvin, Pinal County, 1935-1981 |
| 22 | 109 | Bell Crown Mine, Ellsworth Mining District, Yuma County, 1978 |
| 22 | 110 | Bellemont Wood Preserving Plant, Bellemont, Coconino County, 1974-1979 |
| 22 | 111 | Bellevue Mining Camp, Gila County, 1969-1979 |
| 22 | 112 | Bell of Arizona Mine, Plomosa Mining District, Yuma County, 1978 |
| 22 | 113 | Benson Airport Road Bridge, Benson, Cochise County, 1980-1981 |
| 22 | 114 | Benson Mining and Smelting Company Smelter, Benson, Cochise County, 1981 |
| 22 | 115 | Benson Overpass, Benson, Cochise County, 1980 |
| 22 | 116 | Benson Underpass, Benson, Cochise County, 1980 |
| 22 | 117 | Benson Southern Pacific Depot, Benson, Cochise County, 1975-1980 |
| 22 | 118 | Benson Smelter, Benson, Cochise County, 1975-1980 and undated |
| 22 | 119 | Bentonite Mine, Plomosa Mining District, Yuma County, 1978 |
| 22 | 120 | Bernard Mine, Alamo Mining District, Yuma County, 1978 |
| 22 | 121 | Bicards Store, Pinal County, 1935-1981 |
| 22 | 122 | Big Bug Creek – Railroad Avenue Bridge, Yavapai County, 1981 |
| 22 | 123 | Big Bug Mining Camp, Yavapai County, 1892-1980 |
| 22 | 124 | Big Bug Placers, Poland Junction, Yavapai County, 1978-1981 |
| 22 | 125 | Big Eye Mine, Castle Dome, Mining District, Yuma County, 1933-1978 |
| 22 | 126 | Bill Williams Mountain Ski Area, Williams, Coconino County, 1953-1981 |
| 22 | 127 | Bill Williams Mountain Toll Road and Trail, Coconino County, 1953-1981 |
| 22 | 128 | Billy Mack Mine Group, Cienega Mining District, Yuma County, 1911-1978 |
| 23 | 1 | Bi-Metal Mill, Mohave County, 1910-1981 |
| 23 | 2 | Bisbee-Warren-Lowell Aeromotor Highline Towers, Bisbee, Cochise County, 1980 |
| 23 | 3 | Bisbee Mining District, Bisbee, Cochise County, 1881-1979 |
| 23 | 4 | Bitter Creek Bridge, Greenlee County, 1980 |
| 23 | 5 | Black Band Mine, Alamo Mining District, Yuma County, 1978 |
| 23 | 6 | Black Beauty Mine, Plomosa Mining District, Yuma County, 1978 |
| 23 | 7 | Black Bird Mine Group, Plomosa Mining District, Yuma County, 1978 |
| 23 | 8 | Black Canyon Stage Line, Prescott, Maricopa, and Yavapai Counties, 1935-1981 |
| 23 | 9 | Black Cat and Minnezona Miens, Ellsworth Mining District, Yuma County, 1978 |
| 23 | 10 | Black Chief Mine, Plomosa Mining District, Yuma County, 1978 |
| 23 | 11 | Black Dahlia Mine, Kofa Mining District, Yuma County, 1978 |
| 23 | 12 | Black Diamond Mine Group, Trigo Mountains Mining District, Yuma County, 1978 |
| 23 | 13 | Black Gap Station, Maricopa County, 1935-1981 |
| 23 | 14 | Black Gold Mine Group, Pima County, 1979 |
| 23 | 15 | Black Jack Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 23 | 16 | Black Joe Mine, Castle Dome Mining District, Yuma County, 1978 |
| 23 | 17 | Black Mesa and Lake Powell Railroad, Page, Coconino, and Navajo Counties, 1979-1981 |
| 23 | 18 | Black Mesa Mine, Plomosa Mining District, Yuma County, 1978 |
| 23 | 19 | Black Mountain Mine Group, Plomosa Mining District, Yuma County, 1978 |
| Arizona, 1866-1994 and undated | ||
| 23 | 20 | Black River Bridge, Gila County, 1914-1981 |
| 23 | 21 | Black Rock Mine, Silver Mining District, Yuma County, 1933-1978 |
| 23 | 22 | Black Top Mine, Castle Dome Mining District, Yuma County, 1978 |
| 23 | 23 | Blaisdell, Yuma County, 1969-1978 |
| 23 | 24 | Blaisdell Experimental Citrus Orchard, Yuma County, 1978 |
| 23 | 25 | Blaisdell Slow Sand Filter Washing Machine, Yuma, Yuma County, 1900-1978 |
| 23 | 26 | Bloddy Tank Bridge, Miami, Gila County, 1980 |
| 23 | 27 | Blue Bell Mila, near Humboldt, Yavapai County, 1891-1979 |
| 23 | 28 | Blue Eagle, Bunker Hill, and Four Winds Mine Group, Harqua Hala Mining District, Yuma County, 1978 |
| 23 | 29 | Blue Jay – Good Friday Mines, Pinia County, 1974-1980 |
| 23 | 30 | Blue Nose Mine, Santa Cruz County, 1975-1980 |
| 23 | 31 | Blue Slate Mine Group, Plomosa Mining District, Yuma County, 1934-1978 |
| 23 | 32 | Blue Water Stage Station, Eloy, Pinal County, 1973-1981 |
| 23 | 33 | Bonanza and Evylin Mine Group, Cunningham Pass Mining District, Yuma County, undated |
| 23 | 34 | Bonanza Mine, Santa Cruz County, 1975-1980 |
| 23 | 35 | Border Road Bridge, Bisbee Junction, Cochise County, 1981 |
| 23 | 36 | Boulder Creek Bridge, Maricopa County, 1980 |
| 23 | 37 | Bouse Mining Camp, Bouse, Yuma County, 1976-1979 |
| 23 | 38 | Bowie Coal Tipple, Bowie, Cochise County, 1978-1981 |
| 23 | 39 | Bright Star Mine, Plomosa Mining District, Yuma County, 1978 |
| 23 | 40 | Bowie Peak Heliograph Station, Cochise County, 1976-1981 |
| 23 | 41 | Box Canyon Bridge, Apache County, 1980 |
| 23 | 42 | Bradshaw City Mining Camp, Yavapai County, 1969-1980 |
| 23 | 43 | Bradshaw Mountain Railroad, Mayer, Yavapai County, 1979-1981 |
| 23 | 44 | Bradshaw Stage Road, San Bernandino California to La Paz Arizona, Yuma County, 1978 |
| 23 | 45 | Bright Angel Trail, Grand Canyon National Park, Coconino County, 1978 |
| 23 | 46 | Broad Street Bridge, Gila County, 1981 |
| 23 | 47 | Broad Street Railroad Underpass, Globe, Gila County, 1980 |
| 23 | 48 | Brunkows Cabin, Cochise County, 1935-1981 |
| 23 | 49 | Buckeye Vein Mine Group, Castle Dome Mining District, Yuma County, 1933-1978 |
| 23 | 50 | Bueno, Yavapai County, 1969-1980 |
| 23 | 51 | Bullard Mine Group, Cunningham Pass Mining District, Yuma County, 1978 |
| 23 | 52 | Bulldozer Mine, Pinia County, 1974-1980 |
| 23 | 53 | Bullion Mine Group, Plomosa Mining District, Yuma County, 1892-1978 |
| 23 | 54 | Bumble Bee (Mining Camp/Stage Station), Yavapai County, 1969-1980 |
| 23 | 55 | Bumble Bee Creek Bridge, Yavapai County, 1981 |
| 23 | 56 | Bunker Hill Mine, Cochise county, 1973-1980 |
| 23 | 57 | Burks Station, Agua Caliente, Maricopa County, 1973-1981 |
| 23 | 58 | Burro Creek Bridge, Mohave County, 1979-1980 |
| 23 | 59 | Burro Spring, Navajo County, 1935-1981 |
| 23 | 60 | Butte (Mining Camp), Pinal County, 1981 |
| 23 | 61 | Butte-Cochran Charcoal Ovens, Pinal County, 1980 |
| 23 | 62 | Butterfield Overland Mail “Oxbow Route”, Cochise, Pima, Pinal, Maricopa, and Yuma Counties, 1957-1978 |
| 23 | 63 | Buzzards Roost Canyon Bridge, Clifton, Greenlee County, 1981 |
| 23 | 64 | Cadillac Wash Bridge, Pinal County, 1980 |
| 23 | 65 | Calabasas, Santa Cruz County, 1935-1980 |
| Arizona, 1866-1994 and undated | ||
| 23 | 66 | Calcite Mine, Ellsworth Mining District, Yuma County, 1911-1978 |
| 23 | 67 | Calderwoods Agua Fria Station, Maricopa County, 1975-1980 |
| 23 | 68 | California and Arizona Stage Company, Phoenix, Yuma, Yavapi, and Maricopa Counties, 1979-1981 |
| 23 | 69 | Calumet and Arizona Smelter, Douglas, Cochise County, 1914-1980 |
| 23 | 70 | Cameron Bridge, Cameron, Coconino County, 1981 |
| 23 | 71 | Cameron Suspension Bridge, Little Colorado River Gorge, Cameron, Coconino County, 1978-1979 |
| 23 | 72 | Camino Del Diablo, Sonorita Mexico to Yuma Crossing Arizona, 1975-1978 |
| 23 | 73 | Camp Beals Springs, Mohave County, 1971-1980 |
| 23 | 74 | Camp Clark, Yavapai County, 1974-1980 |
| 23 | 75 | Camp Colorado, near Parker, Yuma County, 1960-1978 |
| 23 | 76 | Camp Date Creek, Yavapai County, 1978-1980 |
| 23 | 77 | Camp La Paz, La Paz, Yuma County, 1960-1978 |
| 23 | 78 | Camp Lincoln, near La Paz, Yuma County, 1960-1978 |
| 23 | 79 | Camp Verde Through Truss Bridge, Camp Verde, Yavapai County, 1914-1981 |
| 23 | 80 | Canada Del Oro/Old Hat Placers, Pinal County, 1978-1980 |
| 23 | 81 | Canoa Wash Bridge, Pima County, 1918-1981 |
| 23 | 82 | Canyon Copper Mine, near Grand View, Coconino County, 1979 |
| 23 | 83 | Canyon Diablo Highway Bridge, near Two Guns, Coconino County, 1918-1980 |
| 23 | 84 | Canyon Diablo Railroad Bridge, Coconino County, 1885-1981 |
| 23 | 85 | Canyon Diablo Railroad Bridge Number 2, Coconino County, 1981 |
| 23 | 86 | Canyon Padre Bridge, Coconino County, 1914-1981 |
| 23 | 87 | Canyon Padre Railroad Bridge, Coconino County, 1981 |
| 23 | 88 | Capilano Mine, Cienega Mining District, Yuma County, 1978 |
| 23 | 89 | Cardigan Mine, Ajo, Pima County, 1979 |
| 23 | 90 | Carnation Mine, Cienega Mining District, Yuma County, 1911-1978 |
| 23 | 91 | Carrizo Wash Bridge, Apache County, 1980 |
| 23 | 92 | Casa Blanca Station, Casa Blanca, Pinal County, 1973-1981 |
| 23 | 93 | Castle Dome Gold Placers, Castle Dome Mining District, Yuma County, 1961-1978 |
| 23 | 94 | Castle Dome Landing, Yuma County, 1935-1978 |
| 23 | 95 | Castle Dome Mining District, Yuma County, 1933-1978 |
| 23 | 96 | Castle Hot Springs, Yavapai County, 1974-1980 |
| 23 | 97 | Cataract Lumber Company, Williams, Coconino County, 1953-1981 |
| 23 | 98 | Catoctin, Yavapai County, 1969-1980 |
| 23 | 99 | Cave Creek Dam, north of Phoenix, Maricopa County, 1922-1979 |
| 23 | 100 | Cave Creek Mining District, Maricopa County, 1910-1981 |
| 23 | 101 | C. E. Boyce Water Works, Williams, Coconino County, 1953-1981 |
| 23 | 102 | Cedar Mining Camp, Mohave County, 1969-1980 |
| 23 | 103 | Cedar Canyon Bridge, Navajo County, 1981 |
| 23 | 104 | Central Canal-Yuma Project, Yuma County, 1980 |
| 23 | 105 | Centennial Wash Bridge, Yuma County, 1979-1980 |
| 23 | 106 | Centroid Mine Group, Cunningham Pas Mining District, Yuma County, 1978 |
| 23 | 107 | Century Plant Stalk Water Pipeline, Kofa Game Range, Yuma County, 1971-1978 |
| 23 | 108 | Cerbat, Mohave County, 1967-1980 |
| 23 | 109 | Cerbat Mining District, Mohave County, 1879-1980 |
| 23 | 110 | Cerro Colorado (Mining Camp), Pima County, 1969-1980 and undated |
| 23 | 111 | Cerro Colorado District, Pinia County, 1974-1980 |
| 23 | 112 | Cerro Colorado Mine, Pima County, 1974-1981 |
| Arizona, 1866-1994 and undated | ||
| 23 | 113 | Chalender, Coconino County, 1953-1981 |
| 23 | 114 | Chalender Saginaw Lumber Company Sawmill, Chalender, Coconino County, 1953-1981 |
| 23 | 115 | Chambers Railroad Depot and Waterstand, Chambers, Apache County, 1980-1981 |
| 23 | 116 | Chandler Pumping District Irrigation Wells, Chandler, Maricopa County, 1979 |
| 23 | 117 | Chaparral (Mining Camp), Yavapai County, 1974-1980 |
| 23 | 118 | Charleston, Cochise County, 1962-1980 |
| 23 | 119 | Charleston Mill, Tombstone Mill and Mining Company, Tombstone, Cochise County, 1883-1979 |
| 23 | 120 | Charleston Road Bridge, Cochise County, 1980-1981 |
| 23 | 121 | Chase Creek Southern Pacific Railroad Bridge, Greenlee County, 1979 |
| 23 | 122 | Chevelon Creek Bridge Navajo County, 1914-1980 |
| 23 | 123 | Cherry, Yavapai County, 1969-1980 |
| 23 | 124 | Cherry Creek Through Truss Bridge, Gila County, 1981 |
| 23 | 125 | Childs Hydroelectric Plant, Childs, Yavapai County, 1910-1980 |
| 23 | 126 | Chilito, Gila County, 1969-1980 |
| 23 | 127 | Chino Canyon Railroad Bridge, Seligman, Coconino County, 1981 and undated |
| 23 | 128 | Chino Wash Bridge, Paulden, Yavapai County, 1922-1981 |
| 23 | 129 | Chloride, Mohave County, 1900-1980 |
| 23 | 130 | Chloride Railroad Depot and Agents House, Chloride, Mohave County, 1978-1980 and undated |
| 23 | 131 | Christmas (Mining Camp), Winkleman, Gila County, 1935-1980 |
| 23 | 132 | Chrysotile, Gila County, 1969-1980 |
| 23 | 133 | Cibola No. 1 Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 23 | 134 | Cibola No. 3 Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 23 | 135 | Cibola No. 7 Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 23 | 136 | Cibola No. 8 Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 23 | 137 | Cienega Creek Concrete Arch Highway Bridge, Pima County, 1921-1981 and undated |
| 23 | 138 | Cienega Creek Southern Pacific Railroad Bridge, Vail, Pima County, 1914-1981 |
| 23 | 139 | Cienega Mining District, Western End of Buckskin Mountains, Yuma County, 1912-1978 |
| 23 | 140 | Cienega Springs Stage Station, Pima County, 1973-1980 |
| 23 | 141 | Cindy Mine, Plomosa Mining District, Yuma County, 1978 |
| 23 | 142 | Cinnabar Mine, La Cholla Mining District, Yuma County, 1904-1978 |
| 23 | 143 | Clara Consolidated Smelter, Swansea, Yuma County, 1910-1980 |
| 23 | 144 | Clara Mine, Santa Maria Mining District, Yuma County, 1911-1978 |
| 23 | 145 | Clark and Adams Sawmill, Williams, Coconino County, 1935-1981 |
| 23 | 146 | Clarkdale, Yavapai County, 1980-1981 |
| 23 | 147 | Clarkston, Pima County, 1969-1980 |
| 23 | 148 | Cleator (Turkey Creek Station), Yavapai County, 1969-1980 |
| 23 | 149 | Cleveland – Chicago Mine group, Castle dome Mining District, Yuma County, 1933-1978 |
| 23 | 150 | Clifton and Northern Railroad, Clifton, Greenlee County, 1979-1981 |
| 23 | 151 | Clifton Branch Tunnel #1, Southern Pacific Railroad, Greenlee County, 1979-1980 |
| 23 | 152 | Clifton Branch Tunnel #2, Southern Pacific Railroad, Greenlee County, 1979 |
| 23 | 153 | Clifton Branch Tunnel #3, Southern Pacific Railroad, Greenlee County, 1979 |
| 23 | 154 | Clifton Branch Tunnel #4, Southern Pacific Railroad, Greenlee County, 1979 |
| 24 | 1 | Clifton Branch Tunnel, #5, Southern Pacific Railroad, Greenlee County, 1979 |
| Arizona, 1866-1994 and undated | ||
| 24 | 2 | Clifton Branch Tunnel #6, Southern Pacific Railroad, Greenlee County, 1979 |
| 24 | 3 | Clifton-Morenci Mining District, Greenlee County, 1977-1980 and undated |
| 24 | 4 | Clifton-Morenci Mining Placers, Greenlee County, 1978-1981 |
| 24 | 5 | Clifton Overhead Truss Highway Bridge, Park Avenue, Clifton, Greenlee County, 1918-1981 |
| 24 | 6 | Clip Mine (Silver Clip Mine), Silver Mining District, Yuma County, 1933-1978 |
| 24 | 7 | Clip Mining Camp, Yuma County, 1969-1978 |
| 24 | 8 | Clostermeyer Dam, Coconino County, 1935-1981 |
| 24 | 9 | Cochise Mining District, Cochise County, 1980 |
| 24 | 10 | Cochise Underpass, Douglas, Cochise County, 1980 |
| 24 | 11 | Cochran, Pinal County, 1974-1980 |
| 24 | 12 | Cochran Charcoal Ovens, Cochran, Pinal County, 1970-1980 |
| 24 | 13 | Coconino County Water Supply, 1916-1979 |
| 24 | 14 | C.O.D. Mine, Mohave County, 1910-1980 |
| 24 | 15 | Coleman Lake, Coconino County, 1935-1981 |
| 24 | 16 | Colorado River “Bailey Bridges” Below Imperial Dam, Yuma County, 1978 |
| 24 | 17 | Colorado River Break (1905-1907), near Yuma, Yuma County, 1906-1978 |
| 24 | 18 | Colorado River Highway Bridge at Parker, Yuma County, 1977-1978 |
| 24 | 19 | Colorado River Front Work and Levee System, Lower Colorado River, Yuma and Mohave Counties, 1911-1978 and undated |
| 24 | 20 | Colorado River Overhead Truss Railroad Bridge at Yuma, Yuma County, 1981 |
| 24 | 21 | Colorado River Overhead Truss Railway Bridge at Yuma (1895), Yuma County, 1975-1978 |
| 24 | 22 | Colorado River Overhead Truss Railway Bridge at Yuma (1924), Yuma County, 1975-1978 |
| 24 | 23 | Colorado River Placers, Silver Mining District, Yuma County, 1978 |
| 24 | 24 | Colorado River Siphon, Yuma, Yuma County, 1912-1979 |
| 24 | 25 | Colorado River Steam Navigation, Yuma and Mohave Counties, 1901-1980 |
| 24 | 26 | Colorado River Wood Truss Railway Bridge at Yuma (1877), Yuma County, 1968-1978 |
| 24 | 27 | Columbia, Yavapai County, 1969-1980 |
| 24 | 28 | Comet and Black Eagle Mines, Cochise County, 1973-1980 |
| 24 | 29 | Commonwealth Mine, Cochise County, 1910-1978 |
| 24 | 30 | Congress Consolidated Railroad, Congress, Yavapai County, 1979-1981 |
| 24 | 31 | Congress Junction, Congress, Yavapai County, 1978-1980 |
| 24 | 32 | Congress Mining District, Congress, Yavapai County, 1891-1980 |
| 24 | 33 | Consolidated Canal, Salt River Project, Maricopa County, 1980 |
| 24 | 34 | Constellation, Yavapai County, 1969-1980 |
| 24 | 35 | Contention City, Fairbank, Cochise County, 1969-1980 |
| 24 | 36 | Contention – Grand Central Mine Group, Cochise County, 1973-1980 |
| 24 | 37 | Continental, Pima County, 1935-1981 |
| 24 | 38 | Continental Bridge, Continental, Pima County, 1921-1981 |
| 24 | 39 | Continental Bridge No. 2, Pima County, 1924-1981 |
| 24 | 40 | Continental Bridge No. 3, Pima County, 1926-1981 |
| 24 | 41 | Coolidge Dam, Gila River, Gila and Graham Counties, 1927-1979 |
| 24 | 42 | Co-operative Stage Company, Williams, Yavapai and Coconino Counties, 1953-1981 |
| 24 | 43 | Copper Basin, Yavapai County, 1978-1980 |
| 24 | 44 | Copper Bell Mine, Tucson, Pima County, 1979 |
| 24 | 45 | Copper Belle Mine, Cochise County, 1973-1980 |
| Arizona, 1866-1994 and undated | ||
| 24 | 46 | Copper Bottom Mine, La Cholla District, Yuma County, 1978 |
| 24 | 47 | Copper Creek, Pinal County, 1910-1980 |
| 24 | 48 | Copper Creek Concrete Arch Bridge, 1980 |
| 24 | 49 | Copper Dime Gulch Bridge, Gila County, 1981 |
| 24 | 50 | Copper Giant Mine, La Paz Mining District, Yuma County, 1978 |
| 24 | 51 | Copper Glance Mine, Castle Dome Mining District, Yuma County, 1978 |
| 24 | 52 | Copper Glance Mine, Pinal County, 1974-1980 |
| 24 | 53 | Copper Hill, Globe, Gila County, 1969-1980 |
| 24 | 54 | Copper King Mine, Pima County, 1974-1979 |
| 24 | 55 | Copper Queen Mine, Pinia County, 1974-1980 |
| 24 | 56 | Copper Queen Mine Bisbee District (Warren District), Bisbee, Cochise County, 1884-1979 |
| 24 | 57 | Copper Queen Smelter, Douglas, Cochise County, 1908-1979 |
| 24 | 58 | Copper World Mine, Pinia County, 1974-1980 |
| 24 | 59 | Corduroy Creek Steel Arch Bridge, Navajo County, 1979 |
| 24 | 60 | Coronado Railway, Clifton, Greenlee County, 1979-1981 |
| 24 | 61 | Coronation Mine Group, Plomosa Mining District, Yuma County, 1978 |
| 24 | 62 | Cottonwood Bridge, Cottonwood, Yavapai County, 1922-1981 |
| 24 | 63 | Cottonwood Wash Bridge, Pima, Graham County, 1924-1980 |
| 24 | 64 | Cottonwood Wash Bridge, Snowflake, Navajo County, 1980 |
| 24 | 65 | Courtland (Mining Camp), Tombstone, Cochise County, 1910-1980 |
| 24 | 66 | Covered Wells, Pima County, 1935-1981 |
| 24 | 67 | Cox, Yavapai County, 1978-1980 |
| 24 | 68 | Critic Mine (Cunningham Pass Mine), Cunningham Pass Mining District, Yuma County, 1911-1978 |
| 24 | 69 | Crook City, Yavapai County, 1978-1980 |
| 24 | 70 | Crook Southern Pacific Railroad Tunnel, Cochise County, 1979 |
| 24 | 71 | Crooks Trail, Navajo, Gila, and Yavapai Counties, 1935-1981 |
| 24 | 72 | Crookton Overhead Bridge, Crookton, Yavapai County, 1926-1981 |
| 24 | 73 | Cross-Cut Canal – Salt River Project, Maricopa County, 1980 |
| 24 | 74 | Cross-Cut Power Plant – Salt River Project, Maricopa County, 1980 |
| 24 | 75 | Crown King, Yavapai County, 1908-1980 |
| 24 | 76 | Crown Point, Yavapai County, 1978-1980 |
| 24 | 77 | Cullings Well, McMullen Valley, Yuma County, 1975-1978 |
| 24 | 78 | Cunningham Pass Mining District, Central Harcuvar Mountains, Yuma County, 1978 |
| 24 | 79 | Cuprite Mine Group, Cunningham Pass Mining District, Yuma County, 1978 |
| 24 | 80 | Curtis (Arizona City), Yavapai County, 1978-1980 |
| 24 | 81 | Cyclopic Mine and Camp, Mohave County, 1971-1981 |
| 24 | 82 | Dandy Mine Group, Ellsworth Mining District, Yuma County, 1978 |
| 24 | 83 | Darling Mine, La Paz Mining District, Yuma County, 1978 |
| 24 | 84 | Date Creek Mines, Date Creek, Yavapai County, 1870-1981 |
| 24 | 85 | Date Creek Road Bridge, Yavapai County, 1981 |
| 24 | 86 | Davis and Fleming Mine Groups, Cunningham Pass Mining District, Yuma County, 1978 |
| 24 | 87 | Davis Dam, Power Plant, and Reservoir, Mohave County, 1980 and undated |
| 24 | 88 | Daylight-Narragansett Mines, Pinia County, 1974-1980 |
| 24 | 89 | Denn Mine, Cochise County, 1973-1980 |
| 24 | 90 | Denoon (Mining Camp), Pinal County, 1969-1980 |
| 24 | 91 | Desert Mine, Ellsworth Mining District, Yuma County, 1911-1978 |
| Arizona, 1866-1994 and undated | ||
| 24 | 92 | Desert Power and Water Company, Kingman, Mohave County, 1910-1980 |
| 24 | 93 | Desert Station (Desert Well), Yuma County, 1974-1978 |
| 24 | 94 | Desert Telegraph Line, Pipe Springs, Mohave County, 1935-1981 |
| 24 | 95 | Desert Well Station, Mobile, Maricopa County, 1973-1981 |
| 24 | 96 | Detrital Wash Bridge, Mohave County, 1980 |
| 24 | 97 | Devils Canyon Concrete Arch Bridge, Pinal County, 1921-1981 |
| 24 | 98 | Diaz Peek Cement Tank, Pima County, 1980 |
| 24 | 99 | Dives Mine, Dos Cabezas, Cochise County, 1967-1980 |
| 24 | 100 | Dogtown Reservoir and Dam, Williams, Coconino County, 1953-1981 |
| 24 | 101 | Dome Canal – Gila Project, Yuma County, 1980 |
| 24 | 102 | Donna Kay Mine, Ellsworth Mining District, Yuma County, 1978 |
| 24 | 103 | Dos Cabezas (Mining Camp), Cochise County, 1910-1980 |
| 24 | 104 | Dos Cabezas Placers, Dos Cabezas, Cochise County, 1978-1981 |
| 24 | 105 | Double Eagle Mine, Wellton Hills Mining District, Yuma County, 1933-1978 |
| 24 | 106 | Douglas International Airport, Douglas, Cochise County, 1978-1980 and undated |
| 24 | 107 | Douglas Mining District, Douglas, Cochise County, 1910-1979 |
| 24 | 108 | Douglas Underpass, Douglas, Cochise County, 1936-1979 |
| 24 | 109 | Douglas Waterworks, Cochise County, 1947-1979 |
| 24 | 110 | Doyle Mine, Alamo Mining District, Yuma County, 1978 |
| 24 | 111 | Dragoon Spring Stage Station, Cochise County, 1973-1980 |
| 24 | 112 | Dry Beaver Creek Bridge, Yavapai County, 1981 |
| 24 | 113 | Dry Creek Bridge, Yavapai County, 1980 |
| 24 | 114 | Dry Hill Mine, Cochise County, 1973-1980 |
| 24 | 115 | Dukes Express, Prescott, Yavapai County, 1979-1981 |
| 24 | 116 | Dura Mine Group, Santa Cruz County, 1975-1980 |
| 24 | 117 | Dutchman Mine, Plomosa Mining District, Yuma County, 1934-1978 |
| 24 | 118 | Eagle Landing, Colorado River, Yuma County, 1969-1978 |
| 24 | 119 | Eagle Nest Mine, Cienega Mining District, Yuma County, 1978 |
| 24 | 120 | Eagle Tail Mining District, Eagle Tail Mountains and Cemetery Ridge, Yuma County, 1933-1978 |
| 24 | 121 | East Main Canal – Gila Project, Yuma County, 1980 |
| 24 | 122 | Eastern Canal – Salt River Project, Maricopa County, 1980 |
| 24 | 123 | East Phoenix, Phoenix, Maricopa County, 1935-1981 |
| 24 | 124 | East Verde River Bridge, Gila County, 1981 |
| 24 | 125 | Edith (Phoenix Mill), Maricopa County, 1978-1980 |
| 24 | 126 | Ehrenberg (earlier Mineral City), Yuma County, 1935-1980 |
| 24 | 127 | El Conquistador Water Tower, Tucson, Pima County, 1980 |
| 24 | 128 | El Dorado Canyon (later Nelson), Yavapai County, 1976-1980 |
| 24 | 129 | El Dorado Canyon Ferry, Mohave County, 1935-1981 |
| 24 | 130 | El Dorado Mine, Mohave County, 1967-1980 |
| 24 | 131 | Elkhart, Yuma County, 1935 |
| 24 | 132 | El Paso and Southwestern Railroad, Cochise County, 1970-1980 |
| 24 | 133 | El Paso and Southwestern Railroad Depot, Clifton, Greenlee County, 1922-1981 |
| 24 | 134 | El Paso and Southwest Railroad Depot, Courtland, Cochise County, 1920-1980 |
| 24 | 135 | El Paso and Southwestern Railroad Depot, Tucson, Pima County, 1914-1981 and undated |
| 24 | 136 | El Paso and Southwestern Railroad, Tombstone Branch Line, Tombstone, Cochise County, 1980 |
| 24 | 137 | El Paso and Southwestern Railroad Y.M.C.A., Douglas, Cochise County, 1916-1993 |
| Arizona, 1866-1994 and undated | ||
| 25 | 1 | El Paso – Fort Yuma Wagon Road Survey, El Paso Texas to Fort Yuma California, Yuma and Cochise Counties, 1978 |
| 25 | 2 | Ellsworth Mining District, Granite Wash Mountains and Western Harcuvar Mountains, Yuma County, 1912-1978 |
| 25 | 3 | El Tiro Mine, Pinia County, 1974-1980 |
| 25 | 4 | El Tovar, Grand Canyon, Coconino County, 1935-1981 |
| 25 | 5 | Emerald and Silver Plume Mine Group, Cochise County, 1973-1980 |
| 25 | 6 | Emerald Gulch Bridge, Tombstone, Cochise County, 1918-1981 |
| 25 | 7 | Empire Mine, Santa Cruz County, 1975-1980 |
| 25 | 8 | Equator (Mining Camp), Yavapai County, 1935-1981 |
| 25 | 9 | Eureka Mining District, Southern Trigo Mountains, Yuma County, 1868-1978 |
| 25 | 10 | Eureka Placers, Bagdad, Yavapai County, 1978-1981 |
| 25 | 11 | Evening Star Mine Group, Kofa Mining District, Yuma County, 1978 |
| 25 | 12 | Ewells Station, Dos Cabezas, Cochise County, 1935-1981 |
| 25 | 13 | Excelsior Mine (Mudersbach Mine), Plomosa Mining District, Yuma County, 1911-1978 |
| 25 | 14 | Expansion Mine Mill, Gold Road, Mohave County, 1910-1981 |
| 25 | 15 | Fairbank, Tombstone, Cochise County, 1969-1980 |
| 25 | 16 | Fairbank Railroad Overpass, Fairbank, Cochise County, 1980 |
| 25 | 17 | Farrar Gulch Placer Mines, La Paz Mining District, Yuma County, 1978 |
| 25 | 18 | Feldspar Mine Rock House, Kingman, Mohave County, 1978-1980 |
| 25 | 19 | Ferd Nellis Water System, Williams, Coconino County, 1953-1981 |
| 25 | 20 | Filibuster Camp Stage Station, near Wellton, Yuma County, 1947-1978 |
| 25 | 21 | Florance Canal Bridge, Pinal County, 1981 |
| 25 | 22 | Flux Mine, Santa Cruz County, 1966-1980 |
| 25 | 23 | Fish Creek Bridge, Maricopa County, 1924-1981 |
| 25 | 24 | Flagstaff City Reservoir, Flagstaff, Coconino County, 1914-1981 |
| 25 | 25 | Flagstaff Lumber Manufacturing Company, Flagstaff, Coconino County, 1914-1981 |
| 25 | 26 | Flora Temple Mine, Castle Dome Mining District, Yuma County, 1933-1978 |
| 25 | 27 | Florence Bridge, Florence, Pinal County, 1911-1980 |
| 25 | 28 | Flagstaff Steam Heat System, Flagstaff, Coconino County, 1981 |
| 25 | 29 | Fools Folly Mine, Trigo Mountains, Mining District, Yuma County, 1978 |
| 25 | 30 | Fools Gulch, Yavapai County, 1978-1980 |
| 25 | 31 | Fort Apache – Fort Verde Trail, Yavapai, Gila, and Navajo Counties, 1980 |
| 25 | 32 | Fort Apache – Fort Thomas Military Road, Navajo and Graham Counties, 1981 and undated |
| 25 | 33 | Fort Bowie Water Supply System, Fort Bowie, Cochise County, 1971-1973 |
| 25 | 34 | Fort Huachuca Water Supply System, Fort Cochise, 1916-1981 |
| 25 | 35 | Fort Mohave (earlier Camp Colorado), Mohave County, 1971-1980 |
| 25 | 36 | Fortuna Mine and Mill, Fortuna Mining District, Yuma County, 1896-1978 |
| 25 | 37 | Fortuna Mining Camp, Fortuna Mining District, Yuma County, 1969-1978 |
| 25 | 38 | Fortuna Mining District, Gila Mountains, Yuma County, 1933-1978 |
| 25 | 39 | Fossil Creek Bridge, Gila County, 1980-1981 |
| 25 | 40 | Frank William Flittner Memorial Underpass, Phoenix, Maricopa County, 1978 |
| 25 | 41 | Frisco (Mining Camp), Mohave County, 1967-1980 |
| 25 | 42 | Frisco, Betty Lee and Ella J. Mines, Wellton Hills Mining District, Yuma County, 1978 |
| 25 | 43 | Fry Canyon Bridge, Coconino County, 1980 |
| Arizona, 1866-1994 and undated | ||
| 25 | 44 | Galeyville, Portal, Cochise County, 1969-1980 |
| 25 | 45 | Garces (earlier Reef, Palmerlee), Cochise County, 1969-1980 |
| 25 | 46 | Germa, Oatman, Mohave County, 1969-1980 |
| 25 | 47 | Geronimo North and South Mines, Silver Mining District, Yuma Count, 1933-1978 |
| 25 | 48 | Gibson Manganese Mine, Castle Dome Mining District, Yuma County, 1978 |
| 25 | 49 | Gila Bend Bridge, Gila Bend, Maricopa County, 1980 |
| 25 | 50 | Gila Bend Bridge Canal, Gila Bend, Maricopa County, 1935-1981 |
| 25 | 51 | Gila Bend Mountains Mining District, Southeastern Yuma County, 1933-1978 |
| 25 | 52 | Gila Bend Railway Water System, Gila Bend, Maricopa County, 1978 |
| 25 | 53 | Gila Bend Stage Station, Gila Bend, Maricopa County, 1947-1980 and undated |
| 25 | 54 | Gila City (Dome) Placer Mining District, near Dome, Yuma County, 1933-1978 |
| 25 | 55 | Gila City Mining Camp, near Dome, Yuma County, 1969-1978 |
| 25 | 56 | Gila Gravity Main Canal Gila Project, Yuma County, 1980 |
| 25 | 57 | Gila Mountain Rock Quarries, Yuma County, 1933-1978 |
| 25 | 58 | Gila Project, Yuma County, 1948-1978 |
| 25 | 59 | Gila Ranch Station, Gila Bend, Maricopa County, 1973-1981 |
| 25 | 60 | Gila River Bridge, Graham County, 1981 |
| 25 | 61 | Gila River Bridge, Pinal County, 1980 |
| 25 | 62 | Gila River Bridge, Duncan, Greenlee County, 1980 |
| 25 | 63 | Gila River Concrete Arch bridge, Greenlee County, 1916-1981 |
| 25 | 64 | Gila River Concrete Arch Bridge, Kelvin, Pinal County, 1980-1981 |
| 25 | 65 | Gila River Bridge – Maricopa Road, Pinal County, 1981 |
| 25 | 66 | Gila River Bridge – Old Florence Highway, Pinal County, 1981 |
| 25 | 67 | Gila River Dam, near Sentinel, Maricopa County, 1893-1979 |
| 25 | 68 | Gila River Pima Indian Irrigation System, Salt River, Pinal and Maricopa Counties, 1906-1979 |
| 25 | 69 | Gila River Siphon, Gila Project, Yuma County, 1980 |
| 25 | 70 | Gila Trail, Cochise, Pima, Pinal, Maricopa, and Yuma Counties, 197125-1979 |
| 25 | 71 | Gila Trail East Mesa Crossing of Dendora Valley, Maricopa County, 1974-1978 |
| 25 | 72 | Gila Trail West Mesa Crossing of Dendora Valley, Maricopa County, 1974-1978 |
| 25 | 73 | Gila Valley, Globe and Northern Railroad, Globe, Cochise, Graham, and Gila Counties, 1935-1981 |
| 25 | 74 | Gilbert (later Sayers), Yavapai County, 1978-1980 |
| 25 | 75 | Gillespie Canal Bridge, Gila Bend, Maricopa County, 1981 |
| 25 | 76 | Gillespie Dam, north of Gila Bend, Maricopa County, 1919-1979 |
| 25 | 77 | Gillespie Dam Highway Bridge, Gila River, Maricopa County, 1921-1979 |
| 25 | 78 | Gillett, Yavapai County, 1969-1980 |
| 25 | 79 | Gilmer, Salisbury, and Company Stage Lines, Prescott, Yuma, Yavapai, and Maricopa Counties, 1953-1981 |
| 25 | 80 | Glance Creek Bridge, Cochise County, 1980 |
| 25 | 81 | Gleeson (Turquoise), Cochise County, 1908-1980 |
| 25 | 82 | Glen Canyon Bridge, Coconino County, 1959-1975 |
| 25 | 83 | Glen Canyon Dam, near Page, Coconino County, 1975 and undated |
| 25 | 84 | Globe Branch San Carlos River Southern Pacific Railroad Bridge, Gila County, 1979 |
| 25 | 85 | Globe Branch Southern Pacific Railroad Gila River Bridge, Graham County, 1979 |
| 25 | 86 | Globe Mining District, Globe, Gila County, 1879-1980 |
| 25 | 87 | Glory Hole Mine (Salome Strike, Arizona Northern Mine), Ellsworth Mining District, Yuma County, 1911-1978 |
| 25 | 88 | Golconda, Kingman, Mohave County, 1910-1980 |
| Arizona, 1866-1994 and undated | ||
| 25 | 89 | Gold Bar or OBrien Mine, Yavapai County, 1967-1980 |
| 25 | 90 | Gold Basin, Mohave County, 1969-1980 |
| 25 | 91 | Gold Dyke Mine Group, Harqua Hala Mining District, Yuma County, 1978 |
| 25 | 92 | Golden Gem Mine, Mohave County, 1967-1980 |
| 25 | 93 | Golden Idol or Hillside Mine, Yavapai County, 1967-1980 |
| 25 | 94 | Golden Ray Mine Group, Cienega Mining District, Yuma County, |
| 25 | 95 | Golden Rule Mining Area, Cochise County, 1973-1981 |
| 25 | 96 | Golden Star Mine Group, Cunningham Pass Mining District, Yuma County, 1978 |
| 25 | 97 | Goldfield Mine, Pinal County, 1969-1981 and undated |
| 25 | 98 | Goldflat, Kingman, Mohave County, 1969-1980 |
| 25 | 99 | Gold Gulch Bridge, Gila County, 1981 |
| 25 | 100 | Gold King Mine and Mansion, Mohave County, 1978-1980\ |
| 25 | 101 | Gold Leaf, Rattlesnake, and Rosebud Mine Group, Harqua Hala Mining District, Yuma County, 1978 |
| 25 | 102 | Gold Nugget Mine (Guadalupe Mine), Plomosa Mining District, Yuma County, 1911-1978 |
| 25 | 103 | Gold Prince Mine, Dos Cabezas, Cochise County, 1967-1980 |
| 25 | 104 | Gold Ridge or Casey Mine, Dos Cabezas, Cochise County, 1967-1980 |
| 25 | 105 | Gold Road, Mohave County, 1910-1980 |
| 25 | 106 | Goldwater Lake, Prescott, Yavapai County, 1935-1981 |
| 25 | 107 | Good Enough Mine, Tombstone, Cochise County, 1883-1979 |
| 25 | 108 | Goodman Mine Group, La Paz Mining District, Yuma County, 1934-1978 |
| 25 | 109 | Gould Mine, Tucson, Pima County, 1979 |
| 25 | 110 | Goodyear, Maricopa County, 1974-1980 |
| 25 | 111 | Goodwin, Yavapai County, 1978-1980 |
| 25 | 112 | Grand Canal – Salt River Project, Tempe, Maricopa County, 1978-1980 |
| 25 | 113 | Grand Canal Bridge, Phoenix, Maricopa County, 1981 |
| 25 | 114 | Grand Canyon Electric Light and Power Company, Williams, Coconino County, 1953-1981 |
| 25 | 115 | Grand Canyon Light and Water Company, Williams, Coconino County, 1953-1981 |
| 25 | 116 | Grand Canyon Railroad Station, Coconino County, 1971-1980 and undated |
| 25 | 117 | Grand Canyon Stage Line, Ashfork, Coconino County, 1979-1981 |
| 25 | 118 | Grand Canyon Suspension Bridge, Grand Canyon, Coconino County, 1930-1977 and undated |
| 25 | 119 | Grand Canyon Water Re-Use System, South Rim, Grand Canyon, Coconino County, 1928-1977 |
| 26 | 1 | Grand Canyon Water Supply Tanks, South rim, Grand Canyon National Park, Coconino County, 1912-1974 |
| 26 | 2 | Grand Central Mine (Harot Mine), Trigo Mountains Mining District, Yuma County, 1933-1978 |
| 26 | 3 | Grand Gulch Copper Mine, Mohave County, 1971-1980 and Undated |
| 26 | 4 | Grandview Mine, Coconino County, 1972-1981 |
| 26 | 5 | Granite Creek Bridge, Prescott, Yavapai County, 1922-1981 |
| 26 | 6 | Granite Creek Bridge, Yavapai County, 1921-1980 |
| 26 | 7 | Granite Reef Diversion Dam, Maricopa County, 1911-1979 |
| 26 | 8 | Granite Wash Mountains Placers, Ellsworth Mining District, Yuma County, 1911-1978 |
| 26 | 9 | Grand Dent Canal, Parker, Yuma County, 1866-1978 |
| Arizona, 1866-1994 and undated | ||
| 26 | 10 | Greaterville, Pima County, 1969-1980 and undated |
| 26 | 11 | Greaterville Placer Deposits, Greaterville, Pima County, 1974-1981 |
| 26 | 12 | Green Bush Creek Southern Pacific Railroad Bridge, Cochise County, 1979 |
| 26 | 13 | Green Hill Mine, Ellsworth Mining District, Yuma County, 1978 |
| 26 | 14 | Greenlaw Sawmill, Flagstaff, Coconino County, 1976-1980 and undated |
| 26 | 15 | Green Streak Mine, Midway Mining District, Yuma County, 1978 |
| 26 | 16 | Greenwood Mining Town, Mohave County, 1969-1971 |
| 26 | 17 | Greggs Ferry, Mohave County, 1935-1971 |
| 26 | 18 | Grinnells Stage Station, Mohawk, Yuma County, 1973-1981 |
| 26 | 19 | Groom Creek, Yavapai County, 1978-1980 |
| 26 | 20 | Groom Creek Placers, Prescott, Yavapai County, 1978-1981 |
| 26 | 21 | Growler District and Growler Mine, Pinia County, 1974-1980 |
| 26 | 22 | Growler Mining District, Pima County, 1910-1980 |
| 26 | 23 | Growler Road, Pima County, 1977-1980 |
| 26 | 24 | Gunsight, Pima County, 1969-1980 |
| 26 | 25 | Guthrie Bridge, Greenlee County, 1980 |
| 26 | 26 | Haack Mine Group, Castle Dome Mining District, Yuma County, 1978 |
| 26 | 27 | Hackberry and Hackberry Mine, Hackberry, Mohave County, 1910-1980 |
| 26 | 28 | Hall Mine, Ellsworth Mining District, Yuma County, 1978 |
| 26 | 29 | Hamblin Wash Bridge, Apache County, 1980 |
| 26 | 30 | Hamburg Sierra Vista, Cochise County, 1969-1980 |
| 26 | 31 | Happy Camp, Gila Bend, Maricopa County, 1973-1981 |
| 26 | 32 | Happy Day Number 3 Mine, Plomosa Mining District, Yuma County, 1978 |
| 26 | 33 | Hardshell Mine, Santa Cruz County, 1975 |
| 26 | 34 | Hardyville Cemetery, Mohave County, 1969-1980 |
| 26 | 35 | Harqua Hala and Golden Eagle Mines, Harqua Hala Mining District, Yuma County, 1889-1980 |
| 26 | 36 | Harqua Hala Mining Camp, Yuma County, 1892-1978 |
| 26 | 37 | Harqua Hala Mining District, Harqua Hala and Little Harqua Hala Mountains, Yuma, and Maricopa Counties, 1892-1978 |
| 26 | 38 | Harqua Hala Peak Observatory, Wenden Vicinity, Yuma County, 1973-1978 |
| 26 | 39 | Harqua Hala Placer Mines, Harqua Hala Mining District, Yuma County, 1961-1978 |
| 26 | 40 | Harrisburg Mining Camp, near Salome, Yuma County, 1969-1980 |
| 26 | 41 | Harshaw, Santa Cruz County, 1892-1980 |
| 26 | 42 | Hassayampa Bridge – Wickenberg, Maricopa County, 1980 |
| 26 | 43 | Hassayampa Placers, Yavapai County, 1978-1980 |
| 26 | 44 | Hassayampa River Bridge, Palo Verde, Maricopa County, 1980 |
| 26 | 45 | Hassayampa River Highway Bridge at Walnut Grove, Yavapai County, 1979-1980 |
| 26 | 46 | Hassaymapa River Mills, Maricopa County, 1978-1980 |
| 26 | 47 | Hassayampa River Southern Pacific Railroad Bridge, Maricopa County, 1979 and undated |
| 26 | 48 | Hayden Buster Copper Plant, Maricopa County, 1914-1980 |
| 26 | 49 | Hayden Branch Southern Pacific Railroad Gila River Crossing #1, Pinal County, 1979-1981 |
| 26 | 50 | Hayden Branch Southern Pacific Railroad Gila River Crossing #2, Pinal County 1979 |
| 26 | 51 | Hayden Branch Tunnel #1, Southern Pacific Railroad, Pinal County, 1979 |
| 26 | 52 | Hayden Branch Tunnel #2, Southern Pacific Railroad, Pinal County, 1979 |
| 26 | 53 | Hayden Branch Tunnel #3, Southern Pacific Railroad, Pinal County, 1979 |
| 26 | 54 | Hayden Ditch, Tempe, Maricopa County, 1980 |
| Arizona, 1866-1994 and undated | ||
| 26 | 55 | Hayden Homestead, Tempe, Maricopa County, 1968-1980 |
| 26 | 56 | Hayden Mill (and Ferry), Tempe, Maricopa County, 1890-1979 |
| 26 | 57 | Hearts Desire Mine, Plomosa Mining District, Yuma county, 1978 |
| 26 | 58 | Hell Canyon Bridge, Yavapai County, 1922-1981 |
| 26 | 59 | Hell Canyon Steel Arch Bridge, U. S. 89, Yavapai County, 1981 |
| 26 | 60 | Hellings Mill, Phoenix, Maricopa County, 1953-1981 |
| 26 | 61 | Helvetia, Pima County, 1961-1980 |
| 26 | 62 | Helvetia Copper Company Railroad, Pima County, 1975-1980 |
| 26 | 63 | Henrietta or Big Bug Mine, Yavapai County, 1967-1980 |
| 26 | 64 | Hercules Mine, Harqua Hala Mining District, Yuma County, 1911-1978 |
| 26 | 65 | Hermosa Mine, Harshaw, Pima County, 1892-1979 |
| 26 | 66 | Hermosa Mine, Santa Cruz County, 1980 |
| 26 | 67 | H. H. and L. Mine Group, Tank Mountains Mining District, Yuma County, 1978 |
| 26 | 68 | Hidden Treasure Mine, Harqua Hala Mining District, Yuma County, 1934-1978 |
| 26 | 69 | High Henry Mine, Kofa Mining District, Yuma County, 1978 |
| 26 | 70 | Highline Canal, Salt River Project, Maricopa County, 1980 |
| 26 | 71 | Highway 80 Bridge, Cochise County, 1980 |
| 26 | 72 | Highway 80 Bridge Number 2, Cochise County, 1980 |
| 26 | 73 | Highway A89 Timber Truss Bridge, Coconino County, 1980 |
| 26 | 74 | Highway 89 Timber Truss Bridge, Yavapai County, 1980 |
| 26 | 75 | Highway 89 Timber Truss Bridge Number 2, Yavapai County, 1980 |
| 26 | 76 | Hillside Mine, Yavapai County, 1890-1979 |
| 26 | 77 | Hilltop, San Simon, Cochise County, 1969-1980 |
| 26 | 78 | Hohokam – Mormon Irrigation Canals, Maricopa County, 1961-1980 |
| 26 | 79 | Holbrook Little Colorado River Bridge, Holbrook, Navajo County, 1981 |
| 26 | 80 | Holland Mine, Santa Cruz County, 1975-1980 |
| 26 | 81 | Holy Moses Bridge, Kingman, Mohave County, 1980 |
| 26 | 82 | Honeymoon Trail (Old Arizona Road), Mohave and Coconino Counties, 1973-1980 |
| 26 | 83 | Hoover Dam, Colorado River, Mohave County, 1972-1979 |
| 26 | 84 | Hopewell Tunnel, Jerome, Yavapai County, 1971-1981 |
| 26 | 85 | Horse-Drawn School Bus, Benson, Cochise County, 1971-1980 |
| 26 | 86 | Horse Mesa Dam and Power Plant – Salt River Project, Maricopa County, 1980 and undated |
| 26 | 87 | Horseshoe Dam – Salt River Project, Maricopa County, 1974-1980 and undated |
| 26 | 88 | Horseshoe Gold Placers, Pinia County, 1974-1980 |
| 26 | 89 | Hot Springs Junction Bridge, Maricopa County, 1924-1981 |
| 26 | 90 | House Rock Spring, Coconino County, 1975 |
| 26 | 91 | House Rock Canyon Bridge, Coconino County, 1980 |
| 26 | 92 | Hovatter Claim Group, Sheep Tanks Mining District, Yuma County, 1978 |
| 26 | 93 | Howells, Yavapai County, 1969-1980 |
| 26 | 94 | Hugh White and Company Stage Line, Fort Mohave, Mohave County, 1979-1981 |
| 26 | 95 | Hull Mine Group (Rialto Mine Group), Castle Dome Mining District, Yuma County, 1933-1978 |
| 26 | 96 | Humboldt, Yavapai County, 1978-1980 |
| 26 | 97 | Humboldt Mine, Santa Cruz County, 1975-1980 |
| 26 | 98 | Humboldt Smelter, Humboldt, Yavapai County, 1907-1981 |
| 26 | 99 | Humbug, Columbia, Yavapai County, 1892-1980 |
| 26 | 100 | Humbug Mine, Yavapai County, 1967-1981 |
| 26 | 101 | Humdinger Mine, Plomosa Mining District, Yuma County, 1978 |
| Arizona, 1866-1994 and undated | ||
| 26 | 102 | Hunt Bridge, Apache County, 1979-1980 |
| 26 | 103 | Hunt Highway, Pinal and Maricopa County, 1980 |
| 26 | 104 | Huron, Humboldt, Yavapai County, 1978-1980 |
| 26 | 105 | Hyder Railway Water System, Hyder, Yuma County, 1978 |
| 26 | 106 | Ice Caves, Flagstaff, Coconino County, 1935-1981 |
| 26 | 107 | Ice House Canyon Ice Ponds, Gila County, 1935-1981 |
| 26 | 108 | Ice House Wash Bridge, Navajo County, 1981 |
| 26 | 109 | Interstate 10 Bridge at Benson, Cochise County, 1980 |
| 26 | 110 | Imperial Dam and Desilting Works, Yuma County, 1975-1980 |
| 26 | 111 | Indian Creek Bridge, Cochise County, 1980 |
| 26 | 112 | Indian Hot Springs Hotel, Fort Thomas, Graham County, 1974-1980 |
| 26 | 113 | Ingersoll Mine, Tombstone, Cochise County, 1973-1981 |
| 26 | 114 | Initial Point, Maricopa County, 1935-1980 |
| 26 | 115 | Inspiration Mine, Inspiration, Gila County, 1910-1981 |
| 26 | 116 | Irish Mag Mine, Cochise County, 1973-1980 |
| 26 | 117 | Iron King Mine, Humboldt, Yavapai County, 1966-1980 |
| 27 | 1 | Iron Queen and Copper Prince Mine Group, Plomosa Mining District, Yuma County, 1978 |
| 27 | 2 | Iron Turbine Windmill, Prescott, Yavapai County, 1980 |
| 27 | 3 | Irving Power Plant, Yavapai and Gila Counties, 1980-1981 |
| 27 | 4 | Isabel Mine, Tucson, Pima County, 1979 |
| 27 | 5 | Iron Wood Mine, Kofa Mining District, Yuma County, 1978 |
| 27 | 6 | Island Wash Bridge, Cochise County, 1980 |
| 27 | 7 | Isle Royal Mine Group, Pinia County, 1974-1980 |
| 27 | 8 | Ivanhoe Mine, Santa Cruz County, 1975-1980 |
| 27 | 9 | Ivy May Mine, Tucson, Pima County, 1974-1979 |
| 27 | 10 | Jack Wood Bridge, Cochise County, 1980 |
| 27 | 11 | Jackass Express, Cochise, Pima, Pinal, Maricopa, and Yuma Counties, 1971-1979 |
| 27 | 12 | Jacks Cañon Bridge, Winslow, Navajo County, 1914 |
| 27 | 13 | Jaeggers Pack Trail, Yuma and Pima Counties, 1979-1981 |
| 27 | 14 | January and Norton Mine Group, Santa Cruz County, 1975-1980 |
| 27 | 15 | Jerome Junction (Copper Siding), Yavapai County, 1978 |
| 27 | 16 | Jerome Mining District, Jerome, Yavapai County, 1901-1979 |
| 27 | 17 | Jerome Water Supply System, Jerome, Yavapai County, 1952-1979 |
| 27 | 18 | Jersey Lily, Yavapai County, 1978-1980 |
| 27 | 19 | Jessie Mine (Little Jesse, Union Jesse), east of Wahler, Yavapai County, 1979 |
| 27 | 20 | Jewel Anne Mine Group, Ellsworth Mining District, Yuma County, 1978 |
| 27 | 21 | Johnson, Cochise County, 1910-1981 |
| 27 | 22 | Johnson Canyon Railroad Bridge Number 1, Coconino County, 1981 and undated |
| 27 | 23 | Johnson Canyon Railroad Bridge Number 2, Coconino County, 1981 and undated |
| 27 | 24 | Johnson Canyon Tunnel, Coconino County, 1953-1981 and undated |
| 27 | 25 | Johnson, Dragoon, and Northern Railway, Cochise County, 1975-1980 |
| 27 | 26 | Joseph City Bridge, Joseph City, Navajo County, 1924-1981 |
| 27 | 27 | Josephine Tunnel, Jerome, Yavapai County, 1971-1981 |
| 27 | 28 | Jude Mine Group, Yuma, Yuma County, 1933-1978 |
| 27 | 29 | Julian Mine Group (Julius Mine Group), Middle Camp – Oro Fino Mining District, Yuma County, 1978 |
| 27 | 30 | Katherine and Katherine Mine, Davis Dam, Mohave County, 1967-1980 |
| Arizona, 1866-1994 and undated | ||
| 27 | 31 | Kearny Southern Pacific Railroad Water Supply Tank, Kearny, Pinal County, 1980-1981 |
| 27 | 32 | Kearnys Route, Greenlee, Graham, Pinal, and Gila County, 1979-1981 |
| 27 | 33 | Kelvin Sultana Copper Company Wooden Suspension Bridge, Kelvin, Pinal County, 1914-1980 |
| 27 | 34 | Kennedy Dam, Williams, Coconino County, 1953-1981 |
| 27 | 35 | Kenyons Station, Theba, Maricopa County, 1973-1981 |
| 27 | 36 | King of Arizona Mine, Kofa Mining District, Yuma County, 1897-1978 |
| 27 | 37 | Kaiser Spring Bridge, Mohave County, 1980 |
| 27 | 38 | Keiser Barite Mine, Plomosa Mining District, Yuma County, 1978 |
| 27 | 39 | Kelvin Concrete Barrel Arch Bridge, Kelvin, Pinal County, 1981 |
| 27 | 40 | Kingman, Mohave County, 1971-1980 |
| 27 | 41 | Kingman Army Airfield, Kingman, Mohave County, 1947-1980 |
| 27 | 42 | Kingman Mining District, Mohave County, 1910-1979 |
| 27 | 43 | Kingman Power Plant, Kingman, Mohave County, 1913-1980 |
| 27 | 44 | Kirby (Briggs), Yavapai County, 1978-1980 |
| 27 | 45 | Kirkland Bridge, Yavapai County, 1980 |
| 27 | 46 | Kirkland Creek Bridge, Kirkland Junction, Yavapai County, 1924-1981 |
| 27 | 47 | Kirkland Creek Through Truss Bridge, Hillside, Yavapai County, 1981 |
| 27 | 48 | Kitt Peak National Observatory, Pima County, 1980 |
| 27 | 49 | Kofa Mining Camp, Kofa Mining District, Yuma County, 1969-1978 |
| 27 | 50 | Kofa Mining District, Southern Kofa Mountains, Yuma County, 1912-1978 |
| 27 | 51 | Kofa Placer Mines, Kofa Mining District, Yuma County, 1916-1978 |
| 27 | 52 | La Angora Mine, La Paz Mining District, Yuma County, 1978 |
| 27 | 53 | La Cholla Mining District, Yuma County, 1978 |
| 27 | 54 | La Cholla Placer Mines, La Cholla Mining District, Yuma County, 1961-1978 |
| 27 | 55 | La Cienega Stage Station, Mohave County, 1978 |
| 27 | 56 | La Colorado Mine Group (Lincoln Mine Group), Castle Dome Mining District, Yuma County, 1933-1978 |
| 27 | 57 | La Laguna Mining Camp and Steamboat Landing, Yuma County, 1976 |
| 27 | 58 | Laguna Dam, Colorado River, Yuma County, 1908-1981 and undated |
| 27 | 59 | Laguna Dam Placer Mines, Laguna Mining District, Yuma County, 1933-1978 |
| 27 | 60 | Laguna Mining District (Las Flores Mining District), Yuma County, 1912-1978 |
| 27 | 61 | Laguna Placers, Kinter, Yuma County, 1978-1981 |
| 27 | 62 | Lake Pleasant Dam, north of Phoenix, Maricopa County, 1927-1980 |
| 27 | 63 | Lake Superior and Arizona Mine, Superior, Pinal County, 1910-1980 |
| 27 | 64 | Lake Watson Dam, Arizona Land and Irrigation Company, Prescott, Yavapai County, 1915-1981 |
| 27 | 65 | Lakeside Dam and reservoir, Navajo County, 1935-1981 |
| 27 | 66 | La Paz Mining Camp, La Paz Mining District, Yuma County, 1969-1978 |
| 27 | 67 | La Paz Placer Mines, Ehrenberg, Yuma County, 1961-1978 |
| 27 | 68 | La Paz (Weaver) Mining District, Yuma County, 1868-1978 |
| 27 | 69 | La Flores Mine Group, Laguna Mining District, Yuma County, 1933-1978 |
| 27 | 70 | Las Flores Placer Mines, Laguna Mining District, Yuma County, 1933-1978 |
| 27 | 71 | Las Guijas or Arivaca Placers, Arivaca, Pima County, 1978 |
| 27 | 72 | Last Chance and Copper Coin Mines, Wellton Hills Mining District, Yuma County, 1978 |
| 27 | 73 | Lavender Pit Mine, Bisbee, Cochise County, 1973-1980 |
| Arizona, 1866-1994 and undated | ||
| 27 | 74 | Leachs Wagon Road, Maricopa, Cochise, Pima, Pinal, and Yuma Counties, 1979-1981 |
| 27 | 75 | Leadville Mine Group, Middle Camp Oro Fino Mining District, Yuma County, 1910-1978 |
| 27 | 76 | Lees Ferry and Historic District, Marble Canyon, Coconino County, 1962-1980 |
| 27 | 77 | Leroux Wash Bridge, Navajo County, 1980 |
| 27 | 78 | Leslie Creek Bridge, Cochise County, 1981 |
| 27 | 79 | Lewis Pranty Creek Bridge, Maricopa County, 1980 |
| 27 | 80 | Ligurta Arroyo Southern Pacific Railroad Bridge, Yuma County, 1979 |
| 27 | 81 | Ligurta Creek Southern Pacific Railroad Bridge, Yuma County, 1979 |
| 27 | 82 | Ligurta Creek Overhead Bridge, Ligurta, Yuma County, 1926-1981 |
| 27 | 83 | Ligurta Wash Southern Pacific Railroad Bridge, Yuma County, 1979 and undated |
| 27 | 84 | Linda K. Mine, Plomosa Mining District, Yuma County, 1978 |
| 27 | 85 | Lion Hill Mine Group, Cienega Mining District, Yuma County, 1934-1978 |
| 27 | 86 | Lithodendren Wash Stage Station, Navajo County, 1976-1980 |
| 27 | 87 | Little Butte Mine, Plomosa Mining District, Yuma County, 1911-1978 |
| 27 | 88 | Little Colorado River Bridge, Joseph City, Navajo County, 1981 |
| 27 | 89 | Little Colorado River Bridge, Holbrook, Navajo County, 1980 |
| 27 | 90 | Little Colorado River Luten Arch Bridge near Holbrook, Navajo County, 1914-1980 |
| 27 | 91 | Little Colorado River Bridge, Winslow, Navajo County, 1980 |
| 27 | 92 | Little Colorado River Bridge – Woodruff – Snowflake Road, Navajo County, 1981 |
| 27 | 93 | Little Dome Mine, Castle Dome Mining District, Yuma County, 1933-1978 |
| 27 | 94 | Little Giant Mine Group, Cunningham Pass Mining District, Yuma County, 1978 |
| 27 | 95 | Little Hell Canyon Bridge, Yavapai County, 1922-1981 |
| 27 | 96 | Liverpool Landing (Pittsburgh Landing), Lake Havasu City, Mohave County, 1971 |
| 27 | 97 | Lochiel (La Noria, Luttrell), Santa Cruz County, 1951-1980 |
| 27 | 98 | Lombard, Goode, and Company Smelter, Williams, Coconino County, 1953 |
| 27 | 99 | Little Hell Canyon Plate Girder Bridge, Yavapai County, 1981 |
| 27 | 100 | Little Jessie, McCabe, Yavapai County, 1967-1980 |
| 27 | 101 | London Bridge, Lake Havasu City, Mohave County, 1978-1979 |
| 27 | 102 | Lost Basin, Mohave County, 1976-1980 |
| 27 | 103 | Lout Ice Plant, Phoenix, Maricopa County, 1935-1981 |
| 27 | 104 | Lowell Observatory, near Flagstaff, Coconino County, 1964-1975 |
| 27 | 105 | Lucky Cuss Manganese Mine, near Tombstone, Cochise County, 1883-1979 |
| 27 | 106 | Lucky Cuss Mine, Tombstone, Cochise County, 1973-1981 |
| 27 | 107 | Lucky Mine Group, Santa Maria Mining District, Yuma County, 1978 |
| 27 | 108 | Lupton Bridge, Apache County, 1922-1981 |
| 27 | 109 | Lyman Dam, Little Colorado River, near St. Johns, Apache County, 1921-1979 |
| 27 | 110 | Lynx Creek Bridge, Yavapai County, 1981 |
| 27 | 111 | Lynx Creek Concrete Arch Bridge, Yavapai County, 1981 |
| 27 | 112 | Lynx Creek Dam, near Prescott, Yavapai County, 1898-1979 |
| 27 | 113 | Lynx Creek Placers, Walker, Yavapai County, 1978-1981 |
| 27 | 114 | Mabel Mine Group (Mable Mine Group), Castle Dome Mining District, Yuma County, 1933-1978 |
| 27 | 115 | Magma Mine, Superior, Pinal County, 1966-1981 |
| 27 | 116 | Magma Mine Air Conditioning System, Superior, Pinal County, 1976-1980 |
| 27 | 117 | Magma Arizona Railroad, Pinal County, 1959-1981 |
| 27 | 118 | Magnesite Mine, Alamo Mining District, Yuma County, 1978 |
| 27 | 119 | Maid of Sunshine Mine, Cochise County, 1973-1980 |
| Arizona, 1866-1994 and undated | ||
| 27 | 120 | Main Canal Tunnels Number 1 and Number 2 – Gila Project, Yuma County, 1980 |
| 27 | 121 | Mammon Mine Group, Cienega Mining Group, Yuma County, 1911-1978 |
| 27 | 122 | Mammoth and Whale Mine, Cochise County, 1973-1980 |
| 27 | 123 | Mammoth, Chicago, and Glance Mine Group, Midway Mining District, Yuma County, 1911-1978 |
| 27 | 124 | Mammoth Mine, Cochise County, 1973-1980 |
| 27 | 125 | Mammoth Mine, Mammoth, Pinal County, 1910-1980 |
| 27 | 126 | Mammoth Mine, Silver Bell, Pima County, 1974-1981 |
| 27 | 127 | Mammoth Tunnel, Graham County, 1957-1980 |
| 27 | 128 | Manganite Mine, Alamo Mining District, Yuma County, 1978 |
| 27 | 129 | Margarita Mine Group, Santa Cruz County, 1975-1980 |
| 27 | 130 | Maricopa and Phoenix Railroad, Phoenix, Pinal and Maricopa Counties, 1979-1981 |
| 27 | 131 | Maricopa and Phoenix and Salt River Valley Railroad, Maricopa County, 1979-1981 |
| 27 | 132 | Maricopa Papago Indian Irrigation System, Maricopa, Pinal County, 1910-1979 |
| 27 | 133 | Maricopa Wells Stage Station, Pinal County, 1973-1980 |
| 27 | 134 | Marquita Mine, Middle Camp – Oro Fino Mining District, Yuma County, 1911-1978 |
| 27 | 135 | Mars and Mescal Mine Group, Harqua Hala Mining District, Yuma County, 1978 |
| 27 | 136 | Mary Lake and Dam, Flagstaff, Coconino County, 1935-1981 |
| 28 | 1 | Martin Hydraulic Scraper Invention, Somerton, Yuma County, 1978 |
| 28 | 2 | Martinez Creek Bridge, Yavapai County, 1924-1981 |
| 28 | 3 | Mary Mine, Cochise County, 1973-1980 |
| 28 | 4 | Mascot and Western Railroad, Cochise County, 1975-1980 |
| 28 | 5 | Mascot Mine Group, Dos Cabezas, Cochise County, 1910-1981 |
| 28 | 6 | Massicks, Yavapai County, 1978-1980 |
| 28 | 7 | Maxton and Maxton Mine, Yavapai County, 1980-1981 |
| 28 | 8 | McCabe, Yavapai County, 1967-1980 |
| 28 | 9 | McCrackin Mine, Mohave County, 1966-1979 |
| 28 | 10 | McMillenville and Richmond Basin Mine, Gila County, 1966-1980 |
| 28 | 11 | McMillen Wash Bridge, Globe, Gila County, 1980 |
| 28 | 12 | McNary Lumber Mill, McNary, Apache County, 1935-1981 and undated |
| 28 | 13 | McPhaul Placer Mines, Laguna Mining District, Yuma County, 1933-1978 |
| 28 | 14 | McPhaul Suspension Bridge, near Dome, Yuma county, 1927-1980 |
| 28 | 15 | Meesville, Yavapai County, 1978-1980 |
| 28 | 16 | Mendevil Claim, Silver Mining District, Yuma County, 1933-1978 |
| 28 | 17 | Mescal Coaling Tower, Mescal County, 1979-1980 |
| 28 | 18 | Mescal Wash Highway Bridge, Pima County, 1920-1981 |
| 28 | 19 | Mesquite Well Station, Yuma County, 1974-1978 |
| 28 | 20 | Metate and Confusion Mine Groups, La Paz Mining District, Yuma County, 1978 |
| 28 | 21 | Metcalf, Greenlee County, 1969-1980 |
| 28 | 22 | Metcalf Locomotives, Metcalf, Greenlee County, 1961-1980 |
| 28 | 23 | Mexico and Colorado Railroad, Cochise County, 1979-1980 |
| 28 | 24 | Miami, Arizona Concrete Arch Street Bridges, Miami, Gila County, 1980 |
| 28 | 25 | Miami Mill, Inspiration Copper Company, Miami, Gila County, 1910-1979 |
| 28 | 26 | Miami Mill, Miami Copper Company, Miami, Gila County, 1908-1979 |
| 28 | 27 | Miami Smelter, International Smelting Company, Miami, Gila County, 1916-1979 |
| 28 | 28 | Miami Southern Pacific Railroad Depot, Miami, Gila County, 1980 |
| 28 | 29 | Miami Wash Bridge Number 1, Miami, Gila County, 1926-1981 |
| 28 | 30 | Miami Wash Bridge Number 2, Miami, Gila County, 1926-1981 |
| Arizona, 1866-1994 and undated | ||
| 28 | 31 | Middle Camp Gold Placers, Middle Camp – Oro Fino Mining District, Yuma County, 1961-1978 |
| 28 | 32 | Middle Camp – Oro Fino Mining District, Yuma County, 1978 |
| 28 | 33 | Middle March, Cochise County, 1969-1980 |
| 28 | 34 | Middleton, Yavapai County, 1978-1980 |
| 28 | 35 | Midgley Canyon Bridge, Coconino County, 1979-1980 |
| 28 | 36 | Midnight Mine, Kofa Mining District, Yuma County, 1978 |
| 28 | 37 | Midway Mining District, Yuma County, 1978 |
| 28 | 38 | Milky Wash Bridge, Apache County, 1979-1980 |
| 28 | 39 | Miller Creek Bridge, Yavapai County, 1980 |
| 28 | 40 | Millville, Charleston, Cochise County, 1969-1980 |
| 28 | 41 | Milton Mine, Pima County, 1974-1980 |
| 28 | 42 | Mineral Belt Railroad Tunnel, Gila Count, 1964-1980 |
| 28 | 43 | Mineral Creek Luten Arch Bridge, Kelvin, Pinal County, 1980 |
| 28 | 44 | Mineral Creek Southern Pacific Railroad Bridge, Pinal County, 1979-1980 |
| 28 | 45 | Mineral Hill (Azurite), Pima County, 1969-1980 |
| 28 | 46 | Mineral Hill Mine Group, Santa Maria Mining District, Yuma County, 1911-1978 |
| 28 | 47 | Mineral Park, Mohave County, 1910-1980 |
| 28 | 48 | Minehaha Flat, Yavapai County, 1978-1980 |
| 28 | 49 | Minnesota – Arizona Copper Company Mill, Copper Creek, Pinal County, 1910-1981 |
| 28 | 50 | Mission Camp Stage Station, near Wellton, Yuma County, 1947-1978 |
| 28 | 51 | Mint Wash Bridge, Yavapai County, 1981 |
| 28 | 52 | Modera Canyon Sawmill Site, Santa Cruz County, 1974-1980 |
| 28 | 53 | Moffat Wash Bridge, Cochise County, 1926-1981 |
| 28 | 54 | Mohawk Canal – Gila Project, Yuma County, 1980 |
| 28 | 55 | Mohawk Lime Quarry, northwest of Mohawk, Yuma County, 1933-1978 |
| 28 | 56 | Mohawk Mine, Pinia County, 1974-1980 |
| 28 | 57 | Mohawk Mining District, Mohawk Mountains, Yuma County, 1910-1978 |
| 28 | 58 | Mohawk Stage Station, near Mohawk, Yuma County, 1947-1978 |
| 28 | 59 | Mohave and Milltown Road, Mohave County, 1977-1980 |
| 28 | 60 | Mohave City, Bullhead City, Mohave County, 1969-1976 |
| 28 | 61 | Mohave – Prescott Toll Road, Mohave and Yavapai County, 1868-1980 and undated |
| 28 | 62 | Monarch Bridge, Maricopa County, 1980 |
| 28 | 63 | Monarch or Mockingbird Mine, Yavapai County, 1908-1980 |
| 28 | 64 | Montana – Arizona Mine, Alamo Mining District, Yuma County, 1978 |
| 28 | 65 | Montana Mine Group, Santa Cruz County, 1975-1980 |
| 28 | 66 | Montezuma and La Paz Mines, Santa Cruz County, 1975-1980 |
| 28 | 67 | Montezuma Well Hohokam Irrigation, Montezuma Castle National Monument, Yavapai County, 1906-1972 |
| 28 | 68 | Moore Mine Group, New Water Mining District, Yuma County, 1978 |
| 28 | 69 | Moqui Stage Station, Coconino County, 1972-1980 |
| 28 | 70 | Morelos Dam, Yuma, Yuma County, 1951-1980 |
| 28 | 71 | Morenci Southern Railroad, Morenci, Greenlee County, 1979-1981 |
| 28 | 72 | Morenci Waterworks, Morenci, Greenlee County, 1915-1979 |
| 28 | 73 | Morenci Tunnel, Greenlee County, 1980 |
| 28 | 74 | Mormon Battalion Trail, Cochise, Pima, Pinal, Maricopa, and Yuma Counties, 1974-1981 |
| 28 | 75 | Mormon Flat Dam and Power Plant – Salt River Project, Maricopa County, 1935-1980 |
| Arizona, 1866-1994 and undated | ||
| 28 | 76 | Mormon Wagon Road, Holbrook, Coconino and Navajo Counties, 1935-1981 |
| 28 | 77 | Morning Glory Mine, Santa Cruz County, 1975-1980 |
| 28 | 78 | Moro Mine Group, Santa Maria Mining District, Yuma County, 1911-1978 |
| 28 | 79 | Morristown Overpass, Morristown, Maricopa County, 1980 |
| 28 | 80 | Moss Mine, Mohave County, 1966-1980 |
| 28 | 81 | Mt. Davis Arrastra, Yavapai County, 1973-1980 |
| 28 | 82 | Mountain Queen Mine, Cochise County, 1973-1980 |
| 28 | 83 | Mount Trumball Sawmill Site, Mohave County, 1972-1980 |
| 28 | 84 | Mowry Mine, near Santa Cruz Valley, Santa Cruz County, 1872-1979 |
| 28 | 85 | Mudhole Mine, Yavapai County, 1967-1980 |
| 28 | 86 | Muggins Mining District, Yuma County, 1978 |
| 28 | 87 | Muggins Placer Mines, Muggins Mining District, Yuma County, 1961-1978 |
| 28 | 88 | Mule Canyon (Lowel Arch) Bridge, Bisbee, Cochise County, 1980 and undated |
| 28 | 89 | Mule Creek Road Southern Pacific Railroad Undergrade, Greenlee County, 1979 and undated |
| 28 | 90 | Mule Pass Concrete Arch Bridge, Cochise County, 1980 |
| 28 | 91 | Mule Pass Tunnel, Cochise County, 1980 |
| 28 | 92 | Murphy Experimental Orchard, Phoenix, Maricopa County, 1978 |
| 28 | 93 | Music Mountain, Mohave County, 1971-1981 |
| 28 | 94 | Mystery Mill Mine Group, Alamo Mining District, Yuma County, 1978 |
| 28 | 95 | Naco Highway Southern Pacific Railroad Undergrade, Cochise County, 1979 and undated |
| 28 | 96 | National Debt Mine, Plomosa Mining District, Yuma County, 1978 |
| 28 | 97 | Navajo Steel Arch Highway Bridge, Lees Ferry, Coconino County, 1924-1979 |
| 28 | 98 | Needles Highway Bridge, Colorado River, near Topock, Navajo County, 1916-1981 |
| 28 | 99 | Neversweat (Palomas) Mining District, Yuma County, 1933-1978 |
| 28 | 100 | New Cornelia (Ajo) Mine, Ajo, Pima County, 1979-1980 |
| 28 | 101 | New Mexico and Arizona Railroad Company, Benson, Santa Cruz and Cochise Counties, 1975-1980 |
| 28 | 102 | New Mexico and Arizona Railroad Depot, Benson, Cochise County, 1981 |
| 28 | 103 | New Mexico and Arizona Railroad Depot, Curtiss, Cochise County, 1981 |
| 28 | 104 | New Mexico and Arizona Railroad Depot, Fairbank, Cochise County, 1981 |
| 28 | 105 | New Mexico and Arizona Railroad Depot, Ft. Huachuca, Cochise County, 1981 |
| 28 | 106 | New Mexico and Arizona Railroad Depot, Nogales, Santa Cruz County, 1981 |
| 28 | 107 | New River Bridge, Maricopa County, 1922-1981 |
| 28 | 108 | New Standard Mine, Cienega Mining District, Yuma County, 1978 |
| 28 | 109 | New Water Mining District, Yuma County, 1978 |
| 28 | 110 | Night Hawk, White Dike, and Colorado Mine groups, Plomosa Mining District, Yuma County, 1978 |
| 28 | 111 | Nogales (Gold Hill) District, Santa Cruz County, 1975-1980 |
| 28 | 112 | Nogales International Airport, Santa Cruz County, 1974-1980 |
| 28 | 113 | Noonville, Santa Cruz County, 1971-1980 |
| 28 | 114 | North Clifton District, Greenlee County, 1976-1980 |
| 28 | 115 | North Starr Mine, Kofa Mining District, Yuma County, 1909-1978 |
| 28 | 116 | Norton and Steward Stage Line, Wilcox, Gila, Graham, and Cochise Counties, 1979-1981 |
| 28 | 117 | Nortons Landing, Colorado River, Yuma County, 1969-1978 |
| 28 | 118 | Nuggett, Glove, Gila County, 1969-1980 |
| 28 | 119 | Oak Creek Bridge, Yavapai County, 1981 |
| Arizona, 1866-1994 and undated | ||
| 28 | 120 | Oak Creek Bridge Number 1, Coconino County, 1979-1980 |
| 28 | 121 | Oak Creek Bridge Number 2, Coconino County, 1979-1980 |
| 28 | 122 | Oakland Mines (Davis Prospect), Sheep Tanks Mining District, Yuma County, 1933-1978 |
| 28 | 123 | Oatman, Mohave County, 1910-1980 |
| 28 | 124 | Oatman Flat Station, Sentinel, Maricopa County, 1973-1981 |
| 28 | 125 | “Ocean-to-Ocean” Highway Bridge, Yuma, Yuma County, 1914-1978 |
| 29 | 1 | Octave, Yavapai County, 1908-1980 |
| 29 | 2 | Ohnesorgen Stage Station, Cochise County, 1935-1980 |
| 29 | 3 | O. K. Mine and Mill, Mohave County, 1967-1980 |
| 29 | 4 | Oldberg, Pinal County, 1935-1981 |
| 29 | 5 | Old Dick Mine, Helvetia, Pima County, 1981 |
| 29 | 6 | Old Dominion Mines, Globe, Gila County, 1881-1981 |
| 29 | 7 | “Old” Ehrenberg (Mineral City), near Ehrenberg, Yuma County, 1969-1978 |
| 29 | 8 | Old Glory, Santa Cruz County, 1935-1980 |
| 29 | 9 | Old Hope Highway Bridge, Yuma County, 1979-1980 |
| 29 | 10 | Old Leupp Road, Navajo County, 1976-1980 |
| 29 | 11 | Old Maid Mine, Plomosa Mining District, Yuma County, 1934-1978 |
| 29 | 12 | Old Mill Site, Santa Cruz County, 1974-1980 |
| 29 | 13 | Old Mission Mine, Tucson, Pima County, 1979 |
| 29 | 14 | Old Pueblo Mine, Tucson, Pima County, 1974-1979 |
| 29 | 15 | Old Safford Road – Southern Pacific Railroad Overpass, Greenlee County, 1981 |
| 29 | 16 | Old Safford Road Abandoned Railroad Overpass, Greenlee County, 1981 |
| 29 | 17 | Oldtrails (Old Trails), Oatman, Mohave County, 1969-1980 |
| 29 | 18 | Oldtrails Assay Office, Oatman, Mohave County, 1978-1980 |
| 29 | 19 | Old Yuma Pine, Tucson, Pima County, 1979 |
| 29 | 20 | Olive, Pima County, 1969-1980 |
| 29 | 21 | Olive City, (Bradshaw Ferry), Colorado River, Yuma County, 1969-1978 |
| 29 | 22 | Oneida Station, Florence, Pinal County, 1973-1981 |
| 29 | 23 | Orderville Bridge, Coconino County, 1980 |
| 29 | 24 | Oro Belle, Yavapai County, 1910-1980 and undated |
| 29 | 25 | Oro Blanco, Santa Cruz County, 1967-1980 |
| 29 | 26 | Oro Fino Gold Placers, Middle Camp – Oro Fino Mining District, Yuma County, 1961-1978 |
| 29 | 27 | Oro Grande, Yavapai County, 1967-1980 |
| 29 | 28 | Oro Plata Mine, Cerbat, Mohave County, 1967-1980 |
| 29 | 29 | Ortega Mountain Bridge, Apache County, 1980 |
| 29 | 30 | Orville Mining Camp (Centennial Mining Camp), near Salome, Yuma County, 1976-1978 |
| 29 | 31 | Owens, Mohave County, 1969-1980 |
| 29 | 32 | Palace Station, Yavapai County, 1973-1980 |
| 29 | 33 | Pacific and Mandan Claims, Silver Mining District, Yuma County, 1933-1978 |
| 29 | 34 | Palmer Lake, Yavapai and Coconino County, 1953-1981 |
| 29 | 35 | Palo Verde Mine, Tucson, Pima County, 1979 |
| 29 | 36 | Papago Mine, Silver Mining District, Yuma County, 1933-1978 |
| 29 | 37 | Papago Queen Mine, Tucson, Pima County, 1979 |
| 29 | 38 | Portal, Cochise County, 1910-1980 |
| 29 | 39 | Parker Dam and Power Plant, Parker, Yuma County, 1948-1978 |
| Arizona, 1866-1994 and undated | ||
| 29 | 40 | Patagonia Bridge, Santa Cruz County, 1922-1981 |
| 29 | 41 | Patagonia Railroad Depot, Patagonia, Santa Cruz County, 1973-1980 and undated |
| 29 | 42 | Payroll Mine, Mohave County, 1967-1980 |
| 29 | 43 | Patterson Road Through Truss Bridge – Clifton, Greenlee County, 1917-1983 |
| 29 | 44 | Paul Spur Waterstand and Section House, Cochise County, 1981 |
| 29 | 45 | Payson Mining District, Gila County, 1967-1980 |
| 29 | 46 | Peabody Mine, Cochise County, 1973-1980 |
| 29 | 47 | Pearce, Willcox, Cochise County, 1897-1980 |
| 29 | 48 | Pearce Placer, Pearce, Cochise County, 1978-1980 |
| 29 | 49 | Peck Mine and Mill, Yavapai County, 1962-1980 |
| 29 | 50 | Pedro Aguirre and Company – Arizona and Senora Stage Lines, Tucson, Pima County, 1969-1981 |
| 29 | 51 | Pee Wee Mine Group, Ellsworth Mining District, Yuma County, 1978 |
| 29 | 52 | Peggy B. Mine, Trigo Mountains Mining District, Yuma County, 1978 |
| 29 | 53 | Pellegrin Mine, Tucson, Pima County, 1979 |
| 29 | 54 | Peoria Underpass, Peoria, Maricopa County, 1980 |
| 29 | 55 | Perry Chrysoprase Mine, Plomosa Mining District, Yuma County, 1978 |
| 29 | 56 | Pesquerera Bridge, Santa Cruz County, 1918-1981 |
| 29 | 57 | Petermanns Station, Mohawk, Yuma County, 1973-1981 |
| 29 | 58 | Petrified Forest Stamp Mill, Adamana, Apache County, 1935-1981 |
| 29 | 59 | Petrified Forest Steel Arch Highway Bridge, Apache County, 1980-1981 |
| 29 | 60 | Phelan Dam, Williams, Coconino County, 1953-1981 |
| 29 | 61 | Phelps Dodge General Office Building, Bisbee, Cochise County, 1971-1975 and undated |
| 29 | 62 | Phelps-Dodge Guest House, Clifton, Greenlee County, 1974-1980 |
| 29 | 63 | Phoenix and Buckeye Railroad, Phoenix, Maricopa County, 1979-1981 |
| 29 | 64 | Phoenix and Eastern Railroad, Phoenix, Maricopa, Pinal, and Gila Counties, 1905-1981 and undated |
| 29 | 65 | Phoenix and Yuma Mine Groups, Plomosa Mining District, Yuma County, 1978 |
| 29 | 66 | Phoenix Mine and Mill, Cave Creek, Maricopa County, 1890-1981 |
| 29 | 67 | Phoenix, Tempe, and Mesa Railway, Phoenix, Maricopa County, 1979-1981 |
| 29 | 68 | Phoenix Waterworks, Phoenix, Maricopa County, 1922-1979 |
| 29 | 69 | Picacho and Colorado River Railroad, Yuma County, 1975-1980 |
| 29 | 70 | Picacho Mine, Pinia County, 1974-1980 |
| 29 | 71 | Picacho Pass Station, Picacho, Pinal County, 1973-1981 |
| 29 | 72 | Picacho Railroad Overpass, Picacho, Pinal County, 1980 |
| 29 | 73 | Pickerell Mill, Yavapai County, 1978-1980 |
| 29 | 74 | Pierce Ferry, Mohave County, 1935-1981 |
| 29 | 75 | Pilgrim Mine, Mohave County, 1967-1980 |
| 29 | 76 | Pima Mining District, Pima County, 1966-1980 |
| 29 | 77 | Pinal, Pinal County, 1969-1980 |
| 29 | 78 | Pinal Creek Bridge, Gila County, 1980 |
| 29 | 79 | Pinal Creek Bridge, Globe, Gila County, 1980 |
| 29 | 80 | Pinal Creek Southern Pacific Railroad Crossing Number 1, Gila County, 1979-1980 |
| 29 | 81 | Pinal Creek Southern Pacific Railroad Crossing Number 2, Globe, Gila County, 1979-1980 |
| 29 | 82 | Pine Creek Reinforced Concrete Arch Bridge, Apache Canyon road near Roosevelt, Maricopa County, 1926-1980 |
| 29 | 83 | Pinedale Wash Bridge, Navajo County, 1981 |
| Arizona, 1866-1994 and undated | ||
| 29 | 84 | Pinto Creek Bridge, Gila County, 1918-1981 |
| 29 | 85 | Pinto Creek Bridge, Pinal County, 1981 |
| 29 | 86 | Pioneer, Globe, Gila County, 1969-1980 |
| 29 | 87 | Pioneer Arizona, Pioneer, Maricopa County, 1980-1981 |
| 29 | 88 | Placerita, Yavapai County, 1969-1980 |
| 29 | 89 | Pipe Spring National Monument, Coconino County, 1965-1971 |
| 29 | 90 | Planet Mine, Mill, and Smelter, Santa Maria Mining District, Yuma County, 1879-1978 |
| 29 | 91 | Planet Mining Camp, Bill Williams River, Yuma County, 1866-1978 |
| 29 | 92 | Plomosa Mining District, Plomosa Mountains, Yuma County, 1912-1978 |
| 29 | 93 | Plomosa Placer Mines, Plomosa Mining District, Yuma County, 1911-1978 |
| 29 | 94 | Plumed Knight Mine Group, Sahuarita, Pima County, 1974-1981 |
| 29 | 95 | Pointer Mountain Stage Station, Rillito, Pima County, 1973-1981 |
| 29 | 96 | Poland and Poland Mine, Yavapai County, 1902-1980 |
| 29 | 97 | Poland Junction Electrical Substation, Yavapai County, 1981 |
| 29 | 98 | Poland Tunnel, Yavapai County, 1967-1980 |
| 29 | 99 | Polaris Mining Camp, Kofa Mining District, Yuma County, 1969-1978 |
| 29 | 100 | Polhamus Landing, Mohave County, 1969-1980 |
| 29 | 101 | Poorman and Goodman Mines, Plomosa Mining District, Yuma County, 1978 |
| 29 | 102 | Poorman Mine (Desert Dwarf Mine), Wellton Hills Mining District, Yuma County,1933-1978 |
| 29 | 103 | Poston Japanese Relocation Center, Poston, Yuma County, 1974-1978 |
| 29 | 104 | Portrero Creek Bridge, Portrero, Santa Cruz County, 1916-1980 |
| 29 | 105 | Powers Cabin and Mine, Graham County, 1967-1980 |
| 29 | 106 | Power Canal – Salt River Project, Maricopa County, 1980 |
| 29 | 107 | Power Canal Diversion Dam – Salt River Project, Livingstone, Maricopa County,1980 |
| 29 | 108 | Pratt, Yavapai and Maricopa Counties, 1980 |
| 29 | 109 | Prescott and Arizona Central Railroad, Prescott, Yavapai County, 1915-1981 |
| 29 | 110 | Prescott and Eastern Railroad, Prescott, Yavapai County, 1979-1981 |
| 29 | 111 | Prescott and Phoenix Stage Line, Phoenix, Maricopa County, 1979-1981 |
| 29 | 112 | Prescott Electrical Plant, Prescott, Yavapai County, 1981 and undated |
| 29 | 113 | Prescott Gas Company, Prescott, Yavapai County, 1981 and undated |
| 29 | 114 | Prescott Mining District, Prescott, Yavapai County, 1881-1979 |
| 29 | 115 | Prescott – Santa Fe Stage Line, Apache, Yavapai, Coconino and Navajo Counties,1979-1981 |
| 29 | 116 | Prescott Walnut Grove and Pima Road Company, Prescott, Yavapai andMaricopa Counties, 1935-1981 |
| 29 | 117 | Prescott Waterworks Pump House, Del Rio Springs, Yavapai Count, 1902-1971 |
| 29 | 118 | Pride of the West Mine, Santa Cruz County, 1975-1980 |
| 29 | 119 | Princess and Hamburg Mines, Silver Mining District, Yuma County, 1933-1978 |
| 29 | 120 | Providence, Yavapai County, 1972-1980 |
| 29 | 121 | Pueblo Grande Hohokam Irrigation, Phoenix, Maricopa County, 1893-1971and undated |
| 29 | 122 | Puerto Rico Steel Truss Bridge – Sanders, Apache County, 1922-1981 |
| 29 | 123 | Quail Springs Wash Southern Pacific Railroad Crossing, Number 1,Maricopa County, 1979-1981 |
| 29 | 124 | Quail Springs Wash Southern Pacific Railroad Crossing, Number 2,Maricopa County, 1979-1981 |
| Arizona, 1866-1994 and undated | ||
| 29 | 125 | Quail Springs Wash Southern Pacific Railroad Crossing Number 3, Maricopa County,1979-1981 |
| 29 | 126 | Quail Springs Wash Southern Pacific Railroad Crossing Number 4, Maricopa County, 1979-1981 |
| 29 | 127 | Quail Springs Wash Southern Pacific Railroad Crossing Number 5, Maricopa County,1979-1981 |
| 29 | 128 | Quartzite Peak Bridge, Gila County, 1980 |
| 29 | 129 | Queen, Superior, Pinal County, 1969-1980 |
| 29 | 130 | Queen Creek Bridge – Magma Avenue, Superior, Pinal County, 1981 |
| 29 | 131 | Queen Creek Bridge, Pinal County, 1921-1981 |
| 29 | 132 | Queen Creek Bridge Number 1, Pinal County, 1980 and undated |
| 29 | 133 | Queen Creek Luten Arch Bridge, Florence Junction, Pinal County, 1921-1981 |
| 30 | 1 | Queen Creek Bridge Number 2, Pinal County, 1980 |
| 30 | 2 | Queen Creek Plate - Girder Steel Arch Bridge, Superior, Pinal County, circa 1949-1981 |
| 30 | 3 | Queen Creek Tunnel, Superior, Pinal County, 1981 |
| 30 | 4 | Querino Canyon Bridge, Apache County, 1981 and undated |
| 30 | 5 | Quijota, Pima County, 1889-1980 |
| 30 | 6 | Quijota Placers, Pinia County, 1978-1980 |
| 30 | 7 | Quitobaquito Dam, Pima County, 1980 |
| 30 | 8 | Quartette Mine, Kofa Mining District, Yuma County, 1978 |
| 30 | 9 | Radium Hot Springs Mineral Baths, Gila River, Yuma County, 1933 |
| 30 | 10 | Rags Canyon Bridge, Yavapai County, 1981 |
| 30 | 11 | Rainbow Mine, Mohave County, 1967-1980 |
| 30 | 12 | Ramsey Mine, Plomosa Mining District, Yuma County, 1978 |
| 30 | 13 | Rattlesnake Canyon Bridge, Clifton, Greenlee County, 1980 and undated |
| 30 | 14 | Rawhide Mine and Camp, Mohave County, 1971-1981 |
| 30 | 15 | Ray, Pinal County, 1935-1981 |
| 30 | 16 | Ray and Gila Valley Railroad, Kelvin, Pinal County, 1979-1981 |
| 30 | 17 | Ray Consolidated Copper Mine, near Kelvin, Pinal County, 1883-1966 |
| 30 | 18 | Ray Junction, Kelvin, Pinal County, 1935-1981 |
| 30 | 19 | Red Cloud Mine, Silver Mining District, Yuma County, 1933-1978 |
| 30 | 20 | Red Cross Mine (Norton Mine), Mohawk Mining District, Yuma County, 1933-1978 |
| 30 | 21 | Red Rock Cantilever Bridge, near Topock, Navajo County, 1890-1979 |
| 30 | 22 | Red Rock Railway Water System, Red Rock, Pinal County, 1978 |
| 30 | 23 | Renegade Mine, Plomosa Mining District, Yuma County, 1978 |
| 30 | 24 | Renner Mine (Barite Mine), Mohawk Mining District, Yuma County, 1933-1978 |
| 30 | 25 | Reno Road, Maricopa and Gila Counties, 1935-1981 |
| 30 | 26 | Republic Mine, Cochise County, 1978-1980 |
| 30 | 27 | Revenue Mine Group, Santa Maria Mining District, Yuma County, 1978 |
| 30 | 28 | Reymert, Pinal County, 1969-1980 |
| 30 | 29 | Rich Hill Mine, Maricopa County, 1966-1980 |
| 30 | 30 | Richinbar, Yavapai County, 1967-1980 |
| 30 | 31 | Rillito Creek Southern Pacific Railroad Bridge, Jaynes, Pima County, 1979 and undated |
| 30 | 32 | Rillito Railway Water System, Rillito, Pima County, 1978 |
| 30 | 33 | Rillito Valley Irrigation System, Pima County, 1910-1980 |
| 30 | 34 | Rio Cornnez Bridge, Pima County, 1980 |
| Arizona, 1866-1994 and undated | ||
| 30 | 35 | Rio Del Monte Mine, Harqua Hala Mining District, Yuma County, 1978 |
| 30 | 36 | Rio Vista Northside Mine, Cienega Mining District, Yuma County, 1934-1978 |
| 30 | 37 | Rio Vista Southside Mine, Cienega Mining District, Yuma County, 1911-1978 |
| 30 | 38 | Riordan Railroad Overpass, Coconino County, 1980 |
| 30 | 39 | Riverview Mine, Eureka Mining District, Yuma County, 1933-1978 |
| 30 | 40 | Rob Roy Mine, Kofa Mining District, Yuma County, 1978 |
| 30 | 41 | Rogers Lake and Dam, Coconino County, 1935-1981 |
| 30 | 42 | Roosevelt Dam, Salt River, Gila County, 1904-1980 |
| 30 | 43 | Rosemont, Pima County, 1969-1980 |
| 30 | 44 | Route 96 Wooden Bridge, Yavapai County, 1980 |
| 30 | 45 | Roy and Titcomb Foundry and Machine Shops, Nogales, Santa Cruz County, 1914-1981 |
| 30 | 46 | Ruby (Mountain Camp), Santa Cruz County, 1969-1980 |
| 30 | 47 | Ruby Wash Bridge, Winslow, Navajo County, 1981 |
| 30 | 48 | Russellville, Cochise County, 1883-1980 |
| 30 | 49 | Rust and Wooley Cable and Skip, Grand Canyon, Coconino County, 1913-1981 |
| 30 | 50 | Sabino Canyon road Bridge, Pima County, 1981 |
| 30 | 51 | Sacaton Diversion Dam, Oldberg, Pinal County, 1935-1981 |
| 30 | 52 | Sacaton Experimental Farm, Pinal County, 1974-1980 |
| 30 | 53 | Sacaton - Florence Power Line, Florence, Pinal County, 1924-1981 |
| 30 | 54 | Sacaton Stage Station, Sacaton, Pinal County, 1973-1981 |
| 30 | 55 | Safford Southern Pacific Railroad Depot, Safford, Graham County, 1980-1981 |
| 30 | 56 | Saginaw and Manistee Lumber Company, 1953-1981 |
| 30 | 57 | Saginaw Mine, Tucson, Pima County, 1979 |
| 30 | 58 | Saginaw Southern Railroad, Williams, Coconino County, 1979-1981 |
| 30 | 59 | Saguaro National Monument Lime Kilns, Pima County, 1972-1980 |
| 30 | 60 | Salero Silver Mine, near Tumacacori, Santa Cruz County, 1969-1980 |
| 30 | 61 | Sally May Wash Bridge, Yavapai County, 1981 |
| 30 | 62 | Salome, Yuma County, 1981 |
| 30 | 63 | Salome Railway Water Supply System, Salome, Yuma County, 1979-1980 |
| 30 | 64 | Salt River Bridge: Bush Highway, Maricopa County, 1981 |
| 30 | 65 | Salt River Bridge Route 28, Gila County, 1929-1980 |
| 30 | 66 | Salt River Project, Phoenix, Maricopa County, 1908-1980 and undated |
| 30 | 67 | Salt River Southern Pacific Railroad Bridge, Tempe, Maricopa County, 1981 |
| 30 | 68 | Salt River Steel Arch Bridge, Route 60, Gila County, 1933-1980 and undated |
| 30 | 69 | Salt River Valley Hohokam Irrigation, Salado Valley, Gila and Maricopa Counties, 1893-1979 |
| 30 | 70 | Salt River Valley Ostrich Farms, Maricopa and Pinal Counties, 1978 |
| 30 | 71 | Samoa Mine, Mohave County, 1967-1980 |
| 30 | 72 | San Antonio and San Diego Mail Line, Tucson, Cochise, Pima, Pinal, Maricopa, and Yuma Counties, 1979-1981 |
| 30 | 73 | San Carlos Bridge, San Carlos, Graham County, 1921-1922 |
| 30 | 74 | San Carlos - Geronimo Wagon Road, Gila and Graham Counties, 1981 |
| 30 | 75 | San Carlos Southern Pacific Railroad Waterstand, San Carlos, Gila County, 1980-1981 |
| 30 | 76 | San Domingo Placers, Maricopa County, 1978-1980 |
| 30 | 77 | San Domingo Wash Bridge, Morristown, Maricopa County, 1922-1981 |
| 30 | 78 | Sand Wash Bridge, Greenlee County, 1980 |
| 30 | 79 | Sand Wash Bridge, Mohave County, 1981 and undated |
| Arizona, 1866-1994 and undated | ||
| 30 | 80 | San Francisco Concrete Arch Bridge, Clifton, Greenlee County, 1918-1981 |
| 30 | 81 | San Francisco River Southern Pacific Railroad Bridge, Greenlee County, 1979-1980 and undated |
| 30 | 82 | San Marcos Mine Group, Harqua Hala Mining District, Yuma County, 1911-1978 |
| 30 | 83 | San Miguel and Arizona Railroad, Hayden, Gila, and Pinal Counties, 1979-1981 |
| 30 | 84 | San Pedro River Bridge, Fairbank, Cochise County, 1914-1927 |
| 30 | 85 | San Pedro River Bridge, Hereford, Cochise County, 1980 |
| 30 | 86 | San Pedro River Station, Benson, Cochise County, 1973-1981 |
| 30 | 87 | San Pedro Southern Pacific Railroad Bridge, Benson, Cochise County, 1979-1980 |
| 30 | 88 | San Pedro Southern Pacific Railroad Bridge, Fairbank, Cochise County, 1979 |
| 30 | 89 | San Simon Bridge, Soloman, Graham County, 1924-1981 |
| 30 | 90 | San Simon River Bridges, near San Simon, Cochise County, 1980 |
| 30 | 91 | San Simon Bridge on Route B-10, San Simon, Cochise County, 1980 |
| 30 | 92 | San Simon Station, San Simon, Cochise County, 1973-1981 |
| 30 | 93 | San Simon River Through Truss Bridge, Graham County, 1981 |
| 30 | 94 | San Tan Bridge, Pinal County, 1926-1981 |
| 30 | 95 | Santa Cruz River Bridge, Santa Cruz County, 1918-1981 |
| 30 | 96 | Santa Cruz River Bridge Number 2, Continental, Pima County, 1918-1981 |
| 30 | 97 | Santa Cruz River Concrete Arch Bridge, Pima County, 1981 |
| 30 | 98 | Santa Cruz River Lattice-Type Pony Truss Bridge, Tucson, Pima County, 1981 |
| 30 | 99 | Santa Fe and Grand Canyon Railway Company, Williams, Coconino County, 1953-1981 |
| 30 | 100 | Santa Fe and Grand Canyon Railroad, Williams, Coconino County,1979-1981 and undated |
| 30 | 101 | Santa Fe Railroad Bridge, near Sun City, Maricopa County, 1980-1981 |
| 30 | 102 | Santa Fe Railroad Bridge at Topock, Mohave County, 1981 and undated |
| 30 | 103 | Santa Fe Railway Colorado River Bridge, Parker, Yuma County, circa 1910-1981 |
| 30 | 104 | Santa Fe Railway Colorado River Bridge, Topock, Mohave County, 1948-1980 |
| 30 | 105 | Santa Fe Railway Hell Canyon Railroad Bridge, Yavapai County, 1981 |
| 30 | 106 | Santa Fe Railway Locomotive Number 3759, Kingman, Mohave County, 1979-1980 |
| 30 | 107 | Santa Fe, Prescott, and Phoenix Railroad, Phoenix, Maricopa and Yavapai Counties,1979-1981 and undated |
| 30 | 108 | Santa Fe, Prescott, and Phoenix Railway Depot, Prescott, Yavapai County,1981 and undated |
| 30 | 109 | Santa Fe Railroad Freight Depot, Flagstaff, Coconino County, 1980-1981 |
| 30 | 110 | Santa Fe Railroad Passenger Depot, Flagstaff, Coconino County, 1980-1981 |
| 30 | 111 | Santa Fe Railroad Depot, Holbrook, Navajo County, 1980-1981 |
| 30 | 112 | Santa Fe Railroad Depot, Kingman, Mohave County, 1980-1981 and undated |
| 30 | 113 | Santa Fe Railway Depot, Wickenberg, Maricopa County, 1981 |
| 30 | 114 | Santa Fe Railroad Through Truss bridge, Hassayampa River, Maricopa County, 1981 |
| 30 | 115 | Santa Fe Railroad Through Truss Bridge, Prescott, Yavapai County, 1981 |
| 30 | 116 | Santa Fe Stage Company, Prescott, Yavapai, Coconino, Navajo, and ApacheCounties, 1979-1981 |
| 30 | 117 | Santa Maria Mining District, Yuma County, 1912-1978 |
| 30 | 118 | Santa Maria River Bridge Route 93, Yavapai County, 1980 |
| 30 | 119 | Santa Maria River Bridge Route 96, Yavapai County, 1980 |
| 30 | 120 | Santa Maria Wagon Road Company, Prescott, Yavapai, Yuma, and Mohave Counties,1935-1981 |
| 30 | 121 | San Xavier Del Bac Mission Water Supply system, San Xavier Indian Reservation,Pima County, 1935-1971 |
| Arizona, 1866-1994 and undated | ||
| 30 | 122 | San Xavier Mine, Pinia County, 1974-1980 |
| 31 | 1 | Sasco, Pinal County, 1974-1980 |
| 31 | 2 | Saxon Mine (Dives Claim), Silver Mining District, Yuma County, 1933-1978 |
| 31 | 3 | Schnebly Hill Wagon Road, Coconino County, 1972-1980 |
| 31 | 4 | Senator, Yavapai County, 1967-1980 |
| 31 | 5 | Senator Morgan Mine Group, Pinia County, 1974-1980 |
| 31 | 6 | Seven Mile Wash Bridge, Gila County, 1980 |
| 31 | 7 | Seymour, Maricopa County, 1969-1980 |
| 31 | 8 | Shamrock Mine, Plomosa Mining District, Yuma County, 1978 |
| 31 | 9 | Shannon - Arizona Railroad, Clifton, Greenlee County, 1979-1981 |
| 31 | 10 | Shannon Hill District, Clifton, Greenlee County, 1976-1980 |
| 31 | 11 | Shattuck Mine, Cochise County, 1973-1980 |
| 31 | 12 | Sheba Mine, Ellsworth Mining District, Yuma County, 1978 |
| 31 | 13 | Sheep Tanks Mine, Sheep Tanks Mining District, Yuma County, 1933-1978 |
| 31 | 14 | Sheep Tanks Mining District, Little Horn Mountains, Yuma County, 1933-1978 |
| 31 | 15 | Sheldon Mine, Walker, Yavapai County, 1980 |
| 31 | 16 | Shoat Tank Wash Bridge, Graham County, 1980 |
| 31 | 17 | Sheep Trail - Boulevard Mine, Mohave County, 1967-1980 |
| 31 | 18 | Show Low Creek Bridge Navajo County, 1981 |
| 31 | 19 | Show Low Creek Bridge, Navajo County, 1980 |
| 31 | 20 | Shumway Suspension bridge, Navajo County, 1935-1981 |
| 31 | 21 | Shylock Mine - Arizona Central Copper Company, 1909-1981 |
| 31 | 22 | Signal (Virginia City), Signal City, Mohave County, 1935-1980 |
| 31 | 23 | Signal Mine, Mohave County, 1966-1980 |
| 31 | 24 | Signal Mine Group, Santa Maria Mining District, Yuma County, 1911-1978 |
| 31 | 25 | Silent Mining Camp, Yuma County, 1969-1978 |
| 31 | 26 | Silver Bell, Pima County, 1882-1980 |
| 31 | 27 | Silver Creek Bridge, Cochise County, 1981 |
| 31 | 28 | Silver Creek Road, Mohave County, 1978-1980 |
| 31 | 29 | Silver Glance Claim, Silver Mining District, Yuma County, 1933-1978 |
| 31 | 30 | Silver King Mine, Florence, Pinal County, 1876-1979 |
| 31 | 31 | Silver King Claim, Silver Mining District, Yuma County, 1933-1978 |
| 31 | 32 | Silver Mining District, Yuma County, 1879-1978 |
| 31 | 33 | Silver Prince Mine, Neversweat Mining District, Yuma County, 1933-1978 |
| 31 | 34 | Silver Thread Mine, Cochise County, 1973-1980 |
| 31 | 35 | Simms (Johnson Canyon Camp), Coconino County, 1953-1981 |
| 31 | 36 | Skull Valley Depot, Yavapai County, 1975-1980 |
| 31 | 37 | Slick Rock Wash Bridge, Graham County, 1980 |
| 31 | 38 | Smiths Mill, Maricopa County, 1874-1980 |
| 31 | 39 | Snake Town Hohokam Irrigation Sites, near Chandler, Pinal County, 1971-1975 |
| 31 | 40 | Snivellys Ranch Stage Station, Dome, Yuma County, 1947-1978 |
| 31 | 41 | Snyder Hill Prospect, Tucson, Pima County, 1979 |
| 31 | 42 | Snyder Mine, Pima County, 1980-1981 |
| 31 | 43 | Soap Creek Bridge, Coconino County, 1980 |
| 31 | 44 | Socorro Mine, Harqua Hala Mining District, Yuma County, 1911-1978 |
| 31 | 45 | Solomon, Graham County, 1974-1980 |
| Arizona, 1866-1994 and undated | ||
| 31 | 46 | Solomon Warner House and Flour Mill, Tucson, Pima County, 1980 and undated |
| 31 | 47 | Sonoita River Bridge, Santa Cruz County, 1921-1981 |
| 31 | 48 | Sonora, Pima County, 1980-1981 |
| 31 | 49 | Sonora Mine Group (Senora Mine Group), Castle Dome Mining District, Yuma County, 1933-1978 |
| 31 | 50 | Sopori Wash Bridge, Amando, Santa Cruz County, 1918-1981 |
| 31 | 51 | Southern Cross Mine (Lucky Lead Mine, Lead Camp), Plomosa Mining District, Yuma County, 1911-1978 |
| 31 | 52 | Southern Overland Trail, Maricopa, Cochise, Pima, Pinal, and Yuma Counties, 1979-1981 |
| 31 | 53 | South Canal - Salt River Project, Maricopa County, 1980 |
| 31 | 54 | South Consolidated Power Plant, - Salt River Project, Maricopa County, 1980 |
| 31 | 55 | South Side Canal Bridge, Pinal County, 1981 |
| 31 | 56 | Southern Pacific Mail, Globe, Gila, Pinal, Maricopa, and Yavapai Counties, 1979-1981 |
| 31 | 57 | Southern Pacific Mail Stage Line, Pinal, Cochise, Yuma, Maricopa, and Pima Counties, 1935-1981 |
| 31 | 58 | Southern Pacific Railroad, Yuma, Maricopa, Pima, Cochise, Pinal, 1969-1978 |
| 31 | 59 | Southern Pacific Railroad Bridge, Cutter, Gila County, 1981 |
| 31 | 60 | Southern Pacific Railroad Depot - Bisbee, Cochise County, 1930-1980 |
| 31 | 61 | Southern Pacific Railroad Depot - Blaisdell, Yuma County, 1981 |
| 31 | 62 | Southern Pacific Railroad Depot - Bowie, Cochise County, 1981 |
| 31 | 63 | Southern Pacific Railroad Freight Depot - Douglas, Cochise County, 1930-1980 |
| 31 | 64 | Southern Pacific Railroad Passenger Depot, Douglas, Cochise County, 1911-1981 |
| 31 | 65 | Southern Pacific Railroad Depot, Dragoon, Cochise County, 1981 |
| 31 | 66 | Southern Pacific Railroad Depot - Lowell, Cochise County, 1980 and undated |
| 31 | 67 | Southern Pacific Railroad Depot and Shops, Gila Bend, Maricopa County, 1976-1979 |
| 31 | 68 | Southern Pacific Railroad Depot, Fairbank, Cochise County, 1980 |
| 31 | 69 | Southern Pacific Railroad Depot, Hereford, Cochise County, 1980 and undated |
| 31 | 70 | Southern Pacific Railroad Depot and Shops, Phoenix, Maricopa County, 1979 |
| 31 | 71 | Southern Pacific Railroad Depot, San Simon, Cochise County, 1981 |
| 31 | 72 | Southern Pacific Railroad Depot, Tempe, Maricopa County, 1980-1981 |
| 31 | 73 | Southern Pacific Railroad Depot and Shops, Tucson, Pima County, 1979-1980 and undated |
| 31 | 74 | Southern Pacific Railroad Depot at Yuma, Yuma County, 1975-1978 |
| 31 | 75 | Southern Pacific Railroad Overpass - Tucson, Pima County, 1981 |
| 31 | 76 | Southern Pacific Railroad and Shops and Engine Houses, Yuma, Yuma County, 1979 |
| 31 | 77 | Southern Pacific Railroad Gila River Bridge at Antelope Hill, Yuma County, 1978-1981 |
| 31 | 78 | Southern Pacific Railroad Gila River Crossing Number 1, Ming, Yuma County, 1979 |
| 31 | 79 | Southern Pacific Railroad Gila River Crossing number 2, Poston, Pinal County, 1978-1981 |
| 31 | 80 | Southern Pacific Railroad Locomotive Number 2421, Yuma, Yuma County, 1978 |
| 31 | 81 | Southern Pacific Railroad Silting Basins at Yuma, Yuma County, 1978 |
| 31 | 82 | Southern Pacific Railroad Waterstand, San Simon, Cochise County, 1981 |
| 31 | 83 | Spenazuma, Graham County, 1935-1981 |
| 31 | 84 | Spring Creek Bridge, Yavapai County, 1980 |
| 31 | 85 | Spring Mine Group, Alamo Mining District, Yuma County, 1978 |
| 31 | 86 | Squaw T. Mine, Ellsworth Mining District, Yuma County, 1978 |
| Arizona, 1866-1994 and undated | ||
| 31 | 87 | Stafford Mine, Plomosa Mining District, Yuma County, 1978 |
| 31 | 88 | Standard Lumber Company Mill, Navajo County, 1935-1981 |
| 31 | 89 | Stanton, Yavapai County, 1974-1980 |
| 31 | 90 | Stanwix Stage Station, near Aztec, Yuma County, 1947-1978 |
| 31 | 91 | State of Maine Mine, Cochise County, 1973-1980 |
| 31 | 92 | Steeles Stage Station, Wilcox, Cochise County, 1974-1980 |
| 31 | 93 | Sterling Mine, near Prescott, Yavapai County, 1869-1980 |
| 31 | 94 | Stewart Mountain Dam and Power Plant - Salt River Project, Maricopa County, 1980 and undated |
| 31 | 95 | St. Joseph Wash Bridge, Navajo County, 1980 |
| 31 | 96 | Stockton (Stockton Hill), Mohave County, 1969-1980 |
| 31 | 97 | Stockton Wash Bridge, Graham County, 1980 |
| 31 | 98 | Stoddard, Yavapai County, 1969-1980 |
| 31 | 99 | Stones Ferry, Mohave County, 1935-1981 |
| 31 | 100 | Stormcloud Mill and Cash Mill, Yavapai County, 1978-1980 |
| 31 | 101 | Strawberry Concrete Arch Bridge, Strawberry, Gila County, 1980 |
| 31 | 102 | Sue Mine, Cienega Mining District, Yuma County, 1934-1978 |
| 31 | 103 | Sunnyside, Fort Huachuca, Cochise County, 1969-1980 |
| 31 | 104 | Sunset Crossing, Winslow, Navajo County, 1974-1980 |
| 31 | 105 | Sun Up, Williams, Coconino County, 1953-1981 |
| 31 | 106 | Swansea Mining Camp, Swansea, Yuma County, 1909-1978 |
| 31 | 107 | Swastika Silver Mine, Yavapai County, 1979 |
| 31 | 108 | Swilling Ditch, Phoenix, Maricopa County, 1935-1971 |
| 31 | 109 | Tank Mountains Gold Placers, Yuma County, 1933-1978 |
| 31 | 110 | Tank Mountains Mining District, Yuma County, 1933-1978 |
| 31 | 111 | Tanners Crossing, Cameron, Coconino County, 1974-1980 |
| 31 | 112 | Tanner Wash Bridge - Cholla Lake Road, Navajo County, 1981 |
| 31 | 113 | Tanner Wash Bridge, Coconino County, 1979-1980 |
| 31 | 114 | Tanque Verde Wash Bridge, Pima County, 1981 |
| 31 | 115 | Tapco Power Plant, Tapco, Yavapai County, 1981 and undated |
| 31 | 116 | Tarbox Sawmill, Pima County, 1935-1981 |
| 31 | 117 | Tempe Canal - Salt River Project, Maricopa County, 1980 |
| 31 | 118 | Tempe Highway Bridge, Tempe, Maricopa County, 1902-1979 |
| 31 | 119 | Tempe Highway Bridge 1931, Salt River, Tempe, Maricopa County, 1929-1981 |
| 31 | 120 | Temple Trail, Mohave County, 1935-1980 |
| 31 | 121 | Tennessee Mine, Chloride, Mohave County, 1966-1980 |
| 31 | 122 | Texas Canyon Bridge, Cochise County, 1980 |
| 32 | 1 | Texas Hill Canal, Gila Project, Norton, Yuma County, 1980 |
| 32 | 2 | Texas Hill Stage Station, Yuma County, 1947-1978 |
| 32 | 3 | Three Musketeers Mine, Ellsworth Mining District, Yuma County, 1978 |
| 32 | 4 | Tidwells Mine, Gila County, 1935-1981 |
| 32 | 5 | Tiger (earlier Schultz), Mammoth, Pinal County, 1969-1980 |
| 32 | 6 | Tiger City, Yavapai County, 1978-1980 |
| 32 | 7 | Tip Top Mine and Camp, Yavapai County, 1882-1980 |
| 32 | 8 | 35th Parallel Route (Beale Camel Trail), Mohave, Coconino, Yavapai, Navajo, and Apache Counties, 1976-1980 |
| 32 | 9 | Tombstone Mining District, Tombstone, Cochise County, 1879-1979 |
| Arizona, 1866-1994 and undated | ||
| 32 | 10 | Tombstone and Patagonia Express, Tombstone, Cochise, and Santa Cruz Counties, 1979 |
| 32 | 11 | Tombstone and Southern Railroad, 1975-1980 |
| 32 | 12 | Tombstone Waterworks, Tombstone, Cochise County, 1882-1980 |
| 32 | 13 | Tom Reed Mine, Oatman, Mohave County, 1966-1980 |
| 32 | 14 | Topock Railway Water System, Topock, Mohave County, 1979-1980 |
| 32 | 15 | Total Wreck, Pima County, 1883-1980 |
| 32 | 16 | Toughnut Mine, Tombstone, Cochise County, 1883-1979 |
| 32 | 17 | Trench Mine, Santa Cruz County, 1966-1980 |
| 32 | 18 | Trigo Gold Placers, Trigo Mountains Mining District, Yuma County, 1961-1978 |
| 32 | 19 | Trigo Mountains Mining District, Yuma County, 1978 |
| 32 | 20 | Triple H Mine Group, Trigo Mountains Mining District, Yuma County, 1978 |
| 32 | 21 | Troy (Skinnerville), Pinal County, 1969-1981 |
| 32 | 22 | True Blue Mine Group, Ellsworth Mining District, Yuma County, 1978 |
| 32 | 23 | Tucson, Arizona City, and San Diego Stage Company, Tucson, Pima, Pinal, Maricopa, and Yuma Counties, 1979-1981 |
| 32 | 24 | Tucson and Nogales Railroad, Tucson, Pima and Santa Cruz Counties, 1975-1980 |
| 32 | 25 | Tucson and Tombstone Stage Lines, Tucson, Cochise and Pima Counties, 1979-1980 |
| 32 | 26 | Tucson Coaling Tower, Tucson, Pima County, 1979-1980 |
| 32 | 27 | Tucson, Cornelia, and Gila Bend Railroad, Pima and Maricopa County, 1936-1980 |
| 32 | 28 | Tucson, Cornelia, and Gila Bend Railroad Depot, Ajo, Pima County, 1974-1981 |
| 32 | 29 | Tucson Magnetic Observatory, 1980 |
| 32 | 30 | Tucson - Nogales Highway Bridge, Pima County, 1981 |
| 32 | 31 | Tucson Stage Station, Tucson, Pima County, 1973-1981 |
| 32 | 32 | Tucson Street Railway System, Tucson, Pima County, 1971-1981 |
| 32 | 33 | Tumacacori Water Supply System, Tumacacori, Santa Cruz County, 1951-1971 |
| 32 | 34 | Tungsten Giant Mine Group, Harqua Hala Mining District, Yuma County, 1978 |
| 32 | 35 | Tungsten Hill Mine, La Paz Mining District, Yuma County, 1978 |
| 32 | 36 | Tungsten Mine Group, Kofa Mining District, Yuma County, 1978 |
| 32 | 37 | Turquoise Mining District, Cochise County, 1973-1980 |
| 32 | 38 | Tuzigoot, Yavapai County, 1935-1980 |
| 32 | 39 | Twin Buttes, Pima County, 1969-1980 |
| 32 | 40 | Twin Buttes, Railroad, Tucson, Pima County, 1975-1980 |
| 32 | 41 | Two Weeks Bridge, Cochise County, 1977-1980 |
| 32 | 42 | Tyson Wells Stage Station, Quartzite, Yuma County, 1973-1978 |
| 32 | 43 | Tysons Wash Timber Bridges at Quartzite, Yuma County, 1973 |
| 32 | 44 | Union, Phoenix, Maricopa County, 1978-1980 |
| 32 | 45 | Union Station, Phoenix, Maricopa County, 1976-1981 |
| 32 | 46 | United Eastern Mine, Oatman, Mohave County, 1966-1980 |
| 32 | 47 | United Verde and Pacific Railroad, Jerome, Yavapai County, 1971-1981 |
| 32 | 48 | United Verde Copper Company Bridge, Clarkdale, Yavapai County, 1981 |
| 32 | 49 | United Verde Copper Company Smelter, Clarkdale, Yavapai County, 1913-1981 |
| 32 | 50 | University of Arizona Reinforced Concrete Water Tank, Tucson, Pima County, 1980 |
| 32 | 51 | Unnamed Bridge, - Tucson - Nogales Highway, Santa Cruz County, 1980 |
| 32 | 52 | Upper Queen Creek Bridge, Superior, Pinal County, 1921-1981 |
| 32 | 53 | United States Army Heliograph System, 1967-1979 |
| 32 | 54 | United States Army Military Telegraph System, Graham, Yuma, Pima, Maricopa, and Yavapai Counties, 1935-1981 |
| 32 | 55 | U. S. Highway 89 Bridge at Milepost 485.3, Coconino County, 1979 |
| Arizona, 1866-1994 and undated | ||
| 32 | 56 | U. S. Highway 89 Bridge at Milepost 483, Coconino County, 1979 |
| 32 | 57 | U. S. Highway 89 Bridge at Milepost 487.2, Coconino County, 1979 |
| 32 | 58 | Valenzuela Copper Mine, Yuma County, 1911-1974 |
| 32 | 59 | Valley Farms Road Bridge, Pinal County, 1981 |
| 32 | 60 | Vekal, Pinal County, 1910-1980 |
| 32 | 61 | Venezia, Yavapai County, 1969-1980 |
| 32 | 62 | Verde Green River Concrete Arch Bridge, Yavapai County, 1922-1981 |
| 32 | 63 | Verde River Bridge, Yavapai County, 1981 |
| 32 | 64 | Verde River - Phoenix Pipeline, Phoenix, Maricopa County, 1979 |
| 32 | 65 | Verde River Sheep Bridge, Yavapai County, 1975-1980 |
| 32 | 66 | Verde River Through Truss Bridge, Yavapai County, 1981 |
| 32 | 67 | Verde Tunnel and Smelter Railroad, Clarkdale, Yavapai County, 1971-1981 |
| 32 | 68 | Verde Valley Railroad, Drake, Yavapai and Coconino Counties, 1971-1981 |
| 32 | 69 | Victoria Mine, Pima County, 1910-1980 |
| 32 | 70 | Vinegarroon Wash Gold Placers, Muggins Mining District, Yuma County, 1978 |
| 32 | 71 | Vivian, Oatman, Mohave County, 1980 |
| 32 | 72 | Vulture Mine, Maricopa County, 1866-1979 |
| 32 | 73 | Vulture Placers, Maricopa County, 1978-1980 |
| 32 | 74 | Walker Charcoal Kiln, Yavapai County, 1973-1980 |
| 32 | 75 | Walker Electrical Substation, Walker, Yavapai County, 1981 and undated |
| 32 | 76 | Walker Mining District, Lynx Creek, Walker, Yavapai County, 1935-1980 |
| 32 | 77 | Walker Trail, Pinal, Maricopa, and Yavapai Counties, 1979-1981 |
| 32 | 78 | Walnut Canyon Bridge, Coconino County, 1980 |
| 32 | 79 | Walnut Canyon Bridge, Coconino County, 1981 and undated |
| 32 | 80 | Walnut Canyon Dam, Coconino County, 1979-1980 |
| 32 | 81 | Walnut Grove Dam, Hassayampa River, near Prescott, Yavapai County, 1888-1980 and undated |
| 32 | 82 | Walnut Grove Placers, Yavapai County, 1978-1981 |
| 32 | 83 | Washboard Creek Bridge, Navajo County, 1980 |
| 32 | 84 | Washington Camp and Duquesne, Santa Cruz County, 1901-1980 |
| 32 | 85 | Watervale, Tombstone, Cochise County, 1935-1981 |
| 32 | 86 | Weaver, Yavapai County, 1910-1980 |
| 32 | 87 | Weaver and Rich Hill Placers, Yavapai County, 1978-1980 |
| 32 | 88 | Wellton Canal - Gila Project, Yuma County, 1980 |
| 32 | 89 | Wellton Hills Mine (Draghi Mine), Wellton Hills Mining District, Yuma County, 1933-1978 |
| 32 | 90 | Wellton Hills Mining District (La Posa Mining District), Yuma County, 1933-1978 |
| 32 | 91 | Wellton - Mohawk Canal, Gila Project, 1980 and undated |
| 32 | 92 | Wellton Railway Water System, Wellton, Yuma County, 1978 |
| 32 | 93 | Wenden Mine Group, Cunningham Pass Mining District, Yuma County, 1978 |
| 32 | 94 | Wenden King Mine Group Cunningham Pass Mining District, Yuma County, 1978 |
| 33 | 1 | West Cataract Reservoir, Williams, Coconino County, 1953-1981 |
| 33 | 2 | West Clear Creek Bridge, Yavapai County, 1981 |
| 33 | 3 | West Main Canal - Yuma Project, Yuma County, 1980 |
| 33 | 4 | West Side Mine, Tombstone, Cochise County, 1883-1979 |
| 33 | 5 | Western Canal - Salt River Project, Maricopa County, 1980 |
| 33 | 6 | White Hills Mining Camp, Mohave County, 1948-1980 |
| 33 | 7 | White Horse Lake, Williams, Coconino County, 1953-1981 |
| Arizona, 1866-1994 and undated | ||
| 33 | 8 | White Lumber Company, Williams, Coconino County, 1953-1981 |
| 33 | 9 | Whitewater River Bridge, Cochise County, 1980 |
| 33 | 10 | Whites Mill, Pinal County, 1935-1981 |
| 33 | 11 | White River Covered Bridge, near Fort Apache, Gila County, 1969-1978 and undated |
| 33 | 12 | Whitewater River Bridge, Cochise County, 1916-1980 |
| 33 | 13 | Why Not - Clipper and Goldmine Group, Harqua Hala Mining District, Yuma County, 1978 |
| 33 | 14 | Wickenburg Bridge, Wickenburg, Maricopa County, 1921-1981 |
| 33 | 15 | Wickenburg Bridge - 1914, Wickenburg, Maricopa County, 1979 |
| 33 | 16 | Wickenburg Bridge 1921, Wickenburg, Maricopa County, 1927-1979 |
| 33 | 17 | Wickenburg Through Truss Bridge, Maricopa County, 1921-1981 and undated |
| 33 | 18 | Wildcat Wash Bridge, Apache County, 1980 |
| 33 | 19 | Willcox Electric Plant, Willcox, Cochise County, 1964-1980 |
| 33 | 20 | Willcox Lighting, Pumping, and Ice Company, Willcox, Cochise County, 1964-1980 |
| 33 | 21 | Willcox Southern Pacific Railroad Depot, Willcox, Cochise County, 1980-1981 |
| 33 | 22 | Willcox Telephone System, Willcox, Cochise County, 1964-1980 |
| 33 | 23 | Williams Atlantic and Pacific Railroad Dam, Williams, Coconino County, 1955-1981 |
| 33 | 24 | Williams Atlantic and Pacific Dam, Williams, Coconino County, 1955-1981 |
| 33 | 25 | Williams East-West County Road, Coconino County, 1955-1981 |
| 33 | 26 | Williams Railroad Buildings, Williams, Coconino County, 1955-1981 |
| 33 | 27 | Williams Water and Electric Company, Williams, Coconino County, 1955-1981 |
| 33 | 28 | Williams Water Company, Williams, Coconino County, 1955-1981 |
| 33 | 29 | Williams Waterworks, Williams, Coconino County, 1955-1981 |
| 33 | 30 | Williamson Valley Wash Bridge, Yavapai County, 1981 |
| 33 | 31 | Willow Creek Bridge, Maricopa County, 1924-1980 |
| 33 | 32 | Willow Creek Bridge, Prescott, Yavapai County, 1922-1981 and undated |
| 33 | 33 | Willow Valley Creek Bridge, Coconino County, 1981 |
| 33 | 34 | Wilson Haskell Sawmill, Williams, Coconino County, 1955-1981 |
| 33 | 35 | Winchester Mining Camp, Yuma County, 1910-1978 |
| 33 | 36 | Winona Grade Separation, Winona, Coconino County, 1924-1981 |
| 33 | 37 | Winslow Atlantic and Pacific Railroad Depot (Atchison, Topeka, and Santa Fe), Winslow, Navajo County, 1981 and undated |
| 33 | 38 | Woodruff Dam, Woodruff, Navajo County, 1935-1981 |
| 33 | 39 | Woodruff Pony Truss Bridge, Woodruff, Navajo County, 1981 |
| 33 | 40 | Woolen Mill Site at Tuba City, Coconino County, 1974-1980 |
| 33 | 41 | Woolsey Trail, Prescott, Yavapai and Maricopa Counties, 1935-1981 |
| 33 | 42 | Workman Creek Bridge, Gila County, 1980 |
| 33 | 43 | Worlds Fair Mine, Santa Cruz County, 1975-1980 |
| 33 | 44 | World War II Bunkers at Little Harqua Hala Mountains, Yuma County, 1978 |
| 33 | 45 | Yarnell, Yavapai County, 1910-1978 |
| 33 | 46 | Young - Holbrook Wagon Road, Young, Gila County, 1974-1980 |
| 33 | 47 | Yum Yum Mine, La Cholla Mining District, Yuma County, 1978 |
| 33 | 48 | Yuma Auxiliary Project, Yuma County, 1980 and undated |
| 33 | 49 | Yuma Crossing, Yuma, Yuma County, 1948-1978 |
| 33 | 50 | Yuma “Desert Cooler” Invention, Yuma, Yuma County, 1966-1978 |
| 33 | 51 | Yuma Mine, Ellsworth Mining District, Yuma County, 1911-1978 |
| 33 | 52 | Yuma Project, Yuma County, 1911-1978 |
| 33 | 53 | Yuma Proving Grounds, Yuma County, 1968-1978 |
| 33 | 54 | Yuma Valley Railroad, Yuma County, 1969-1979 |
| Arizona, 1866-1994 and undated | ||
| 33 | 55 | Yuma Quartermaster Depot Water System, Yuma County, 1972-1975 |
| 33 | 56 | Yuma Waterworks, Yuma, Yuma County, 1889-1974 and undated |
| 33 | 57 | Arizona Historic Engineering Site Inventory - Site Listing Printout, circa, 1978 |
| Douglas Historic Building Inventory, 1905-1983 | ||
| 33 | 58 | 1st Street, 1982 |
| 33 | 59 | 2nd Street, 1982 |
| 33 | 60 | 3rd Street, 1982 |
| 33 | 61 | 4th Street, 1982 |
| 33 | 62 | 5th Street, 1982 |
| 33 | 63 | 6th Street, 1982 |
| 33 | 64 | 7th Street, 1982 |
| 33 | 65 | 8th Street, 1982 |
| 33 | 66 | 9th Street, 1982 |
| 33 | 67 | 10th Street, 1982 |
| 33 | 68 | 11th Street, 1982 |
| 33 | 69 | 12th Street, 1982 |
| 34 | 1 | 13th Street, 1982 |
| 34 | 2 | 14th Street, 1982 |
| 34 | 3 | 15th Street, 1982 |
| 34 | 4 | 16th Street, 1982 |
| 34 | 5 | 17th Street, 1982 |
| 34 | 6 | 18th Street, 1982 |
| 34 | 7 | 19th Street, 1982 |
| 34 | 8 | 20th Street, 1982 |
| 34 | 9 | 21st Street, 1982 |
| 34 | 10 | A Avenue, 1982 |
| 34 | 11 | B Avenue, 1982 |
| 34 | 12 | C Avenue, 1982 |
| 34 | 13 | D Avenue, 1982 |
| 34 | 14 | E Avenue, 1982 |
| 34 | 15 | F Avenue, 1982 |
| 34 | 16 | G Avenue, 1982 |
| 34 | 17 | H Avenue, 1982 |
| 34 | 18 | I Avenue, 1982 |
| 34 | 19 | J Avenue, 1982 |
| 34 | 20 | K Avenue, 1982 |
| 34 | 21 | Bonita Avenue, 1982 |
| 34 | 22 | Carmelita Avenue, 1982 |
| 34 | 23 | Dolores Avenue, 1982 |
| 34 | 24 | Estrella Avenue, 1982 |
| 34 | 25 | Florida Avenue, 1982 |
| 34 | 26 | International Avenue, 1982 |
| 34 | 27 | Pan American Street, 1982 |
| 34 | 28 | Askins Cottage Camp, 1955 and undated |
| 34 | 29 | G Avenue Historic District, 1983 and undated |
| 34 | 30 | Grand Theatre, 1976 |
| 34 | 31 | Phelps Dodge, 1982 |
| Arizona, 1866-1994 and undated | ||
| Douglas Historic Building Inventory, 1905-1983 and undated | ||
| 34 | 32 | Arizona State Historic Property Inventory Forms, 1982 |
| 34 | 33 | Clippings, 1982 |
| 34 | 34 | Clippings, Douglas Daily Dispatch 50th Year Special Edition, 1952 |
| 34 | 35 | Douglas History - Various Sources, 1906-1981 |
| 34 | 36 | Douglas Historic Data for Dating, circa 1905-1982 |
| 34 | 37 | Historic Photograph: “Street Scene in Douglas - October, 1946”, 1946 |
| 34 | 38 | List of Buildings, undated |
| 34 | 39 | Maps, 1970-1982 and undated |
| 34 | 40 | 1905 Douglas Townsite Map (Photocopies), 1905 |
| 34 | 41 | General Notes, undated |
| 34 | 42 | Notes of Jay Graves, 1982 |
| 34 | 43 | Photo Log Originals, circa 1982 |
| 34 | 44 | Photographs, circa 1982 |
| 34 | 45 | Photographs “No Photo”, circa 1982 |
| 34 | 46 | Contact Sheets (Photocopies), circa 1982 |
| 34 | 47 | “Too New” Buildings |
| 34 | 48 | Urban Studies - Douglas Barks, Director of Community Development, 1981-1982 |
| 34 | 49 | Printed Material: Arizona, the Grand Canyon State by Miller, Joseph (photocopied excerpt), 1966 |
| 34 | 50 | Printed Material: “Finding Out Who Owns the Land: A Lesson from Cochise County, Arizona”, by Earl L Finkler and Frank J. Popper, 1981 |
| Greenlee County Arizona Historical/Architectural Survey, 1963-1982 and undated | ||
| 35 | 1 | Correspondence: Letter of Introduction, 1982 |
| 35 | 2 | Blue: Inventory Forms, 1982 |
| 35 | 3 | Chase Creek, 1976-circa 1982 |
| 35 | 4 | Clifton: General Notes, 1963-circa 1982 |
| 35 | 5 | Clifton: Historic Background, 1966-1980 |
| 35 | 6 | Clifton: Inventory Forms, 1982 |
| 35 | 7 | Duncan: General Information, 1976-circa 1982 |
| 35 | 8 | Duncan: Inventory Forms, 1982 |
| 35 | 9 | Ranches: General Notes, circa 1982 |
| 35 | 10 | Ranches: Inventory Forms, 1982 |
| 35 | 11 | Coronado Incline, 1982 |
| 35 | 12 | Railroad Industry, 1979 |
| 35 | 13 | General Notes, 1968 - circa 1982 |
| 35 | 14 | Photographs, 1982 |
| 35 | 15 | Photograph Logs, 1982 |
| 35 | 16 | National and State Register Listings, Cochise and Greenlee Counties, undated |
| Historic American Engineering Record, 1971-1972 | ||
| 35 | 17 | Inventory of Historic Sites Documented, 1972 |
| Research on the History of Water Supply Systems in the American Southwest | ||
| 35 | 18 | Ash Fork Steel Dam, 1971 |
| 35 | 19 | Colorado River Break (1905-1907), 1971 |
| 35 | 20 | Fort Bowie Water Supply System, 1971 |
| 35 | 21 | Grand Canyon Water Supply Tanks, 1971 |
| 35 | 22 | Grant-Dent Canal, 1971 |
| 35 | 23 | Jerome Water Supply System, 1971 |
| Arizona, 1866-1994 and undated | ||
| Historic American Engineering Record, 1971-1972 | ||
| Research on the History of Water Supply Systems in the American Southwest | ||
| 35 | 24 | Laguna Dam, 1971 |
| 35 | 25 | Hohokam Irrigation Canals at Montezuma Well, 1971 |
| 35 | 26 | Pipe Spring, 1971 |
| 35 | 27 | Prescott Waterworks Pump House, 1971 |
| 35 | 28 | Pueblo Grande, 1971 |
| 35 | 29 | Roosevelt Dam, 1971 |
| 35 | 30 | San Xavier Del Bac Mission, 1971 |
| 35 | 31 | Swilling Ditch, 1971 |
| 35 | 32 | Tombstone Waterworks, 1971 |
| 35 | 33 | Tumacacori Mission Water Supply System, 1971 |
| 35 | 34 | Yuma Waterworks, 1971 |
| 35 | 35 | Miscellaneous Notes, undated |
| 35 | 36 | Fort Yuma Article, 1960 |
| Literary Productions: “Arizona Historic Engineering Site Inventory” by The History of Engineering Program, 1981 | ||
| 35 | 37 | Copy 1, 1981 |
| 35 | 38 | Copy 2, 1981 |
| 36 | 1 | Copy 3, 1981 |
| 36 | 2 | Copy 4, 1981 |
| 36 | 3 | Copy 5, 1981 |
| California, 1849-1979 and undated | ||
| 36 | 4 | Site Investigation Summary, 1979 |
| 36 | 5 | Agnew Lake Dam, Mono County, 1974 |
| 36 | 6 | Alpine Dam, Marin County, 1974 |
| 36 | 7 | Argonaut Dam, Amador County, 1974 |
| 36 | 8 | Arroyo Seco Parkway 1940, Los Angeles County, 1974 |
| 36 | 9 | Bale Mill, Napa County, 1974 |
| 36 | 10 | Barrett Dam, San Diego, 1916 |
| 36 | 11 | Beales Cut, Los Angeles County, 1974 |
| 36 | 12 | Big Bear Valley Arch Dam 1884, San Bernardino County, 1974 |
| 36 | 13 | Big Bear Valley Multiple Arch Dam 1913, San Bernardino County, 1974 |
| 36 | 14 | Bodie Mining District, Mining Ghost Town, Mono County, 1974 |
| 36 | 15 | Bodie Power Plant 1892, Mono County, 1974 |
| 36 | 16 | Borel Hydroelectric Plant, Kern County, 1974 |
| 36 | 17 | Bowman Dam 1876, Nevada County, 1974 |
| 36 | 18 | Bradbury Building, Los Angeles County, 1974 |
| 36 | 19 | Bridgeport Covered Bridge, Nevada County, 1974 |
| 36 | 20 | Cabrillo Bridge, San Diego County, 1972 |
| 36 | 21 | Cachuma Project 1953, Santa Barbara County, 1974 |
| 36 | 22 | C. A. Thayer, San Francisco County, 1974 |
| 36 | 23 | Chatsworth Park Dam 1895-1896, Los Angeles County, 1974 |
| 36 | 24 | Coachella Valley Fish Traps, Riverside County, 1974 |
| 36 | 25 | Coachella Valley Irrigation Pipe System, Riverside County, 1974 |
| 36 | 26 | Coloma Mining District, El Dorado County, 1974 |
| 36 | 27 | Colorado River Aqueduct, San Bernardino, Riverside County, 1974 |
| 36 | 28 | Colorado River Gas Pipe Suspension Bridge, Yuma, Riverside County, 1974 |
| California, 1849-1979 and undated | ||
| 36 | 29 | Columbia Mining District, Tuolumne County, 1974 |
| 36 | 30 | Crane Valley Hydraulic-Fill Dam, Madera County, 1974 |
| 36 | 31 | Crystal Springs Dam, San Mateo County, 1974 |
| 36 | 32 | Cucamonga Irrigation Systems, San Bernardino County, 1974 |
| 36 | 33 | Cuyamanca Reservoir, near San Diego, San Diego County, 1852-1974 |
| 36 | 34 | Dulzura Conduit, San Diego, San Diego County, 1916 |
| 36 | 35 | Dutch Flat Mining District, Placer County, 1974 |
| 36 | 36 | Dutton Hotel Stagecoach Station, near Jolon, Monterey County, 1974 |
| 36 | 37 | Dutton Hotel Stagecoach Stop, Monterey County, 1974 |
| 36 | 38 | Eagles Nest Dam, Warner Hot Springs, 1927 |
| 36 | 39 | East Brother Island Light Station, near Richmond, Contra Costa County, 1974 |
| 36 | 40 | Escondido Dam, San Eliyo Creek, San Diego County, 1890-1927 |
| 36 | 41 | Eureka, San Francisco, 1974 |
| 36 | 42 | Exchequer Dam, Merced Irrigation District, Merced County, 1974 |
| 36 | 43 | Fages - De Anza Trail, San Diego and Imperial Counties, 1974 |
| 36 | 44 | Felton Covered Bridge, Felton, Santa Cruz County 1974 |
| 36 | 45 | First Map of the City of Los Angeles, Los Angeles County, 1849-1974 |
| 36 | 46 | First Pacific Coast Salmon Cannery, Broderick, Yolo County, 1975 |
| 36 | 47 | Florence Lake Dam, South Fork Joaquin River, Fresno County, 1974 |
| 36 | 48 | Folsom Dam, Folsom, Sacramento County, 1895-1975 |
| 36 | 49 | French Gulch Mining District, Shasta County, 1975 |
| 36 | 50 | Fresno Waterworks, Fresno, Fresno County, 1974 |
| 36 | 51 | Gem Lake Dam, Rush Creek, Mono County, 1974 |
| 36 | 52 | Gibraltar Dam, near Santa Barbara, 1974 |
| 36 | 53 | Gilman Hall, University of California, Berkeley, Alameda County, 1971 |
| 36 | 54 | Green Valley Dam, San Bernardino County, 1974 |
| 36 | 55 | Hemet Dam, South Fork San Jacinto River, Keen Camp, Riverside County, 1974 |
| 36 | 56 | Hermosa Beach Sewage System, Hermosa Beach, 1973 |
| 36 | 57 | Hollywood Bowl Sound Stage, Los Angeles, Los Angeles County, 1929 |
| 36 | 58 | Honey Lake Valley Earth Fill Dam, Lassen County, 1974 |
| 36 | 59 | Hume Lake Multiple Arch Concrete Dam, Hume, Fresno County, 1908-1974 |
| 36 | 60 | Imperial Valley Irrigation, Imperial, Riverside, and San Diego Counties, 1971-1974 |
| 36 | 61 | Indio Reservoir, Indio, Riverside County, undated |
| 36 | 62 | Kennedy Dam, near Jackson, Amador County, 1974 |
| 36 | 63 | La Cienega Water Treatment Plant, Beverly Hills, Los Angeles County, 1974 |
| 36 | 64 | La Grange Dam, Tuolumne River, La Grange, Stanislaus County, 1974 |
| 36 | 65 | La Grange Gold Dredge, near La Grange, Stanislaus County, 1974 |
| 36 | 66 | La Mesa Dam, San Diego River, San Diego County, 1974 |
| 36 | 67 | Lake Florence Dam, Fresno County, 1974 |
| 36 | 68 | Lake Francis Dam, Dobbins Creek, Yuba County, 1974 |
| 36 | 69 | Lake Hodges Dam, Alameda County, 1971 |
| 36 | 70 | Lake Tahoe Outlet Works, Tahoe City, Placer County, 1974 |
| 36 | 71 | Large Diameter Pelton Water Wheels, North Stars Mining Company, Grass Valley, Nevada County, 1974 |
| 36 | 72 | Lindsay - Strathmore Irrigation District, Tulare - County, undated |
| 36 | 73 | Los Angeles and San Pedro Railroad, Los Angeles, Los Angeles County, 1869-1974 |
| 36 | 74 | Los Angeles City Hall, Los Angeles, Los Angeles County, 1928-1975 |
| 36 | 75 | Los Angeles Deep Gallery Spreading Grounds, Los Angeles County, 1974 |
| 36 | 76 | Los Angeles Flood Control District Dams, Los Angeles County, 1974 |
| California, 1849-1979 and undated | ||
| 36 | 77 | Los Angeles Flood Control District Fresh Water Barriers, Los Angeles, 1952-1975 |
| 36 | 78 | Los Angeles Flood Control District Spreading Grounds, Los Angeles, 1917-1974 |
| 36 | 79 | Los Angeles Four Level Interchange, Los Angeles, Los Angeles County, 1953-1974 |
| 36 | 80 | Los Angeles Harbor Improvements, Los Angeles, Los Angeles County, 1974 |
| 36 | 81 | Los Angeles Incline Railway, Los Angeles, Los Angeles County, 1974 |
| 36 | 82 | Los Angeles Memorial Coliseum, Los Angeles, Los Angeles County, 1975 |
| 36 | 83 | Los Angeles Waterworks, Los Angeles, Los Angeles County, 1974 |
| 36 | 84 | Los Verjels Dam, near Oroville, Butte County, 1927-1975 |
| 36 | 85 | Lower Otay Dam, 1903-1974 |
| 36 | 86 | Lytle Creek Aquifer Recharge Works, Lytle Creek, San Bernardino County, 1974 |
| 36 | 87 | Mendocino and Headlands Lumbering District, Mendocino County, 1974 |
| 36 | 88 | Mill Creek Hydroelectric Power Station No. 1, near Redland, San Bernardino County, 1974 |
| 36 | 89 | Mill Creek Zanja (Acequia), near Redland, San Bernardino County, 1974 |
| 36 | 90 | Mission Tunnel, near Santa Barbara, Santa Barbara County, 1974 |
| 36 | 91 | Mojave River Irrigation, near Dagget, 1896 |
| 36 | 92 | Mount Lowe Electric Railway, Pasadena, Los Angeles County, 1974 |
| 36 | 93 | Molino Viejo (Old Mill), Pasadena, Los Angeles County, 1974 |
| 37 | 1 | Morena Dam, San Diego County, 1852-1927 |
| 37 | 2 | Murray Dam, San Diego River, San Diego County, 1974 |
| 37 | 3 | New Almaden Mercury Mines, New Almaden, Santa Clara County, 1974 |
| 37 | 4 | North Bloomfield Mining District, North Bloomfield, Nevada County, 1974 |
| 37 | 5 | Oak Grove Stage Station, near Warner springs, San Diego County, 1974 |
| 37 | 6 | Oakland Tie and Timber Treatment Plant, Southern Pacific Railroad, Oakland, Alameda County, 1974 |
| 37 | 7 | Oakland Waterworks, Oakland, Alameda County, 1890-1975 |
| 37 | 8 | Old Auburn Mining District, Auburn, Placer County, 1974 |
| 37 | 9 | Old United States Mint, San Francisco County, 1974 |
| 37 | 10 | Oliver Wind Turbine Electric Power Generator, near Whitewater, Riverside County, 1974 |
| 37 | 11 | Orange Sewage System, Orange, 1915 |
| 37 | 12 | Orland Project, U. S. Reclamation Service, Colusa, Glenn, and Tehama Counties, 1971 |
| 37 | 13 | Owens River Aqueduct, Inyo, Keen, and Los Angeles Counties, 1974 |
| 37 | 14 | Pacific Coast Railway, Los Angeles Metropolitan Area, 1974 |
| 37 | 15 | Pacific Coast Salmon Cannery Site, First Site, Yolo Site, Broderick, Yolo County, 1974 |
| 37 | 16 | Pacoima Canyon Submerged Dam, near San Fernando, Los Angeles County, 1974 |
| 37 | 17 | Pacoima Dam, near San Fernando, Los Angeles County, 1974 |
| 37 | 18 | Palmdale Dam, near Palmdale, Los Angeles County, 1927 |
| 37 | 19 | Paymaster Mine, Poor Man Mining District in Eastern San Diego County, 1974-1978 |
| 37 | 20 | Picacho and Colorado River Railroad, Picacho, Imperial County, 1978 |
| 37 | 21 | Pershing and Dewey Avenues Streetcar Depot, Los Angeles, Los Angeles County, 1974 |
| 37 | 22 | Plank Roadway, near Holtville, 1916 |
| 37 | 23 | Point Fermin Lighthouse, San Pedro, Los Angeles County, 1974 |
| 37 | 24 | Point Loma Lighthouse, San Diego, San Diego County, undated |
| California, 1849-1979 and undated | ||
| 37 | 25 | Pomona Hydroelectric Plant and Distribution System, Los Angeles and San Bernardino Counties, 1893 |
| 37 | 26 | Pony Express Terminal (B. F. Hastings Building), Sacramento, Sacramento County, 1971 |
| 37 | 27 | Pope Street Bridge, St. Helena, Napa County, 1974 |
| 37 | 28 | Ridge Route Highway 1914, Los Angeles County, 1974 |
| 37 | 29 | Rock Creek Dam, near Auburn, El Dorado County, 1927 |
| 37 | 30 | Rose Bowl 1923, Pasadena, 1974 |
| 37 | 31 | Sacramento River Levees, Lock, Sacramento County, 1972 |
| 37 | 32 | St. Francis Dam, Los Angeles County, 1928-1978 |
| 37 | 33 | Salt Creek Railway Trestle, Imperial County, 1979 |
| 37 | 34 | San Diego and Arizona Railroad, San Diego to El Centro via Mexico, San Diego and Imperial Counties, 1978 |
| 37 | 35 | San Diego Cable Railway, San Diego, San Diego County, undated |
| 37 | 36 | San Diego Electric Railway, San Diego, San Diego County, 1911 |
| 37 | 37 | San Diego Harbor Improvements, San Diego, San Diego County, 1913 |
| 37 | 38 | San Diego Highway Bridge Failure, near San Diego, San Diego County, 1916 |
| 37 | 39 | San Diego Mission Mill, San Diego, San Diego County, 1916 |
| 37 | 40 | San Diego Mission Water Supply System, San Diego, San Diego County, 1972 |
| 37 | 41 | San Diego Water Works, San Diego, San Diego County, 1903-1974 |
| 37 | 42 | San Dieguito Dam, Lake Hodges, Alameda County, 1927 |
| 37 | 43 | San Francisco Cable Cars, San Francisco, San Francisco County, 1971 |
| 37 | 44 | San Francisco Sewer System, San Francisco, San Francisco County, 1915 |
| 37 | 45 | San Francisco Waterworks, San Francisco, San Francisco County, 1915-1927 |
| 37 | 46 | San Leandro Dam, Oakland Waterworks, Oakland, Alameda County, 1927 |
| 37 | 47 | San Luis Rey Bridge, San Luis Rey River, San Diego County, 1911-1974 |
| 37 | 48 | Santa Ana River Hydroelectric Plant No.1, Santa Ana River, near Redlands, 1974 |
| 37 | 49 | Santa Fe Railway Depot, San Diego, San Diego County, 1974 |
| 37 | 50 | Santa Felicia Dam, Ventura County, 1974 |
| 37 | 51 | Siphon Drop Power Plant, Yuma Main Canal, Imperial County, 1978 |
| 37 | 52 | Southern Pacific Depot Grounds Map 1878, Los Angeles, 1974 |
| 37 | 53 | Spaulding Dam, South Yuba Power Development, Nevada County, 1913-1927 |
| 37 | 54 | Star of India, San Diego, San Diego County, 1972 |
| 37 | 55 | Stevenson Creek Test Dam, Stevenson Creek, Madera County, 1927 |
| 37 | 56 | Stockton Windmill Irrigation, Stockton Area, San Joaquin County, 1915-1974 |
| 37 | 57 | Sutters Fort, Sacramento, 1972 |
| 37 | 58 | Sweetwater Dam, 1888-1974 |
| 37 | 59 | Tabeaud Earth Fill Dam, near Jackson, Amador County, 1927 |
| 37 | 60 | Tioga Road, Tuolumne and Mono Counties, 1974 |
| 37 | 61 | Turlock Irrigation Canal, Merced County, 1892-1974 |
| 37 | 62 | Upper Otay Dam, 1927 |
| 37 | 63 | Ventura River Project, Ventura County 1955 |
| 37 | 64 | Wampama (steam schooner), San Francisco, San Francisco County, 1974 |
| 37 | 65 | Weaverville Mining Districts, Weaverville, Trinity County, 1974 |
| 37 | 66 | Webber Creek Dam, El Dorado Power Company, El Dorado count, 1927 |
| 37 | 67 | Well No. 4, Pico Canyon Oil Field, near san Fernando, Los Angeles County, 1971 |
| 37 | 68 | Whittier Narrows Water Reclamation Plant, Los Angeles, 1974 |
| 37 | 69 | Bridge Index, 1979 |
| 37 | 70 | Engineering - General, 1974 |
| California, 1849-1979 and undated | ||
| 37 | 71 | Irrigation - General Engineering - General, 1974 |
| 37 | 72 | Mining - General Engineering - General, 1890-1974 |
| 37 | 73 | Printed Material: “Ghost Town Hunting: How to Strike it Rich with History of the West” by Norman McLeod, NRTA Journal, January, February, 1979 |
| Colorado, 1852-1975 and undated | ||
| 37 | 74 | Alpine Tunnel, near Gunnison, Chaffee County, 1900-1973 and undated |
| 37 | 75 | American Nettie Gold Mine, Ouray, 1901 |
| 37 | 76 | American Smelter, Leadville Mining District, Leadville, 1893 |
| 37 | 77 | Ames River Power Plant, Ophir, San Miguel County, 1892-1973 |
| 37 | 78 | Animas Hydroelectric Plant, near Durango, San Juan County, 1905-1974 |
| 37 | 79 | Argo (Denver) Colorado Smelter, River Poll Studies - Trinity, 1883-1974 |
| 37 | 80 | Argo Tunnel, Gilpin County Mining District, Gilpin County, undated |
| 37 | 81 | Arkansas River Railroad Bridge, Pueblo, undated |
| 37 | 82 | Arkansas Valley Irrigation System, General, Arkansas River Valley, 1902-1933 |
| 37 | 83 | Arkansas Valley Railway Light and Power Plant, Pueblo, 1911 |
| 37 | 84 | Arkansas Valley Smelter, Leadville Mining District, Leadville, 1877 |
| 37 | 85 | Aspen Hydroelectric Plant, Roaring Fork Electric Light and Power Company, 1892 |
| 37 | 86 | Aspen Mine and Mill, Silver Lake, undated |
| 37 | 87 | Aspen Mine, Aspen Mining District, Aspen, 1881-1974 |
| 37 | 88 | Aspen Mining and Smelting Company, Aspen Mining District, Aspen, 1889-1974 |
| 37 | 89 | Aspen Mining District, General, Aspen, 1885 |
| 37 | 90 | Baca Ditch, Trinidad, Las Animas County, 1971 |
| 37 | 91 | Battle Mountain Mining District, Eagle County, 1892 |
| 37 | 92 | Beaver Creek Irrigation System, Fremont County, 1911 |
| 37 | 93 | Beaver Park Dam, 1915 |
| 37 | 94 | Belmont, Sheridan Lighting Plant, Telluride Mining District, Telluride, 1892 |
| 37 | 95 | Bents Fort, West of Las Animas, Otero County, 1972 |
| 37 | 96 | Bessemer and Huerfane Irrigation Canal, near Pueblo, 1889 |
| 37 | 97 | Bi-Metallic Smelter, Leadville Mining District, Leadville, 1910 |
| 37 | 98 | Bijou Irrigation District, Platte River, Weld and Morgan Counties, 1907 |
| 37 | 99 | Black Hawk Mine, Gilpin County Mining District, Gilpin County, undated |
| 37 | 100 | Boston and Colorado Smelter, Black Hawk, Gilpin County, 1936-1971 |
| 37 | 101 | Boulder Mining District, General, Boulder, undated |
| 37 | 102 | Boulder Power Plant, Boulder, 1911 |
| 37 | 103 | Boulder Waterworks, Boulder, 1912 |
| 37 | 104 | Buell Mine and Mill, undated |
| 37 | 105 | Bussick Mine, Silver Cliff Mining District, undated |
| 37 | 106 | Busk Tunnell, southwest of Leadville, 1894 |
| 37 | 107 | California Gulch Mining District, Upper Arkansas River, undated |
| 37 | 108 | Camp Bird Mine, near Ouray, undated |
| 37 | 109 | Canon City Highway ridge, Canon City, 1915 |
| 37 | 110 | Canon City Waterworks, Canon City, 1909-1910 |
| 37 | 111 | Caribou Mine and Mill, Boulder Mining District, Boulder, undated |
| 37 | 112 | Caroline Mining Company, Ouray, 1892 |
| 37 | 113 | Castlewood Dam, near Denver, 1892-1927 |
| 37 | 114 | Central City Mining District, Central City, 1972 |
| 37 | 115 | Central Presbyterian Church, Denver, 1892 |
| 37 | 116 | Cheesman Dam, Denver Waterworks, South Platte River, near Denver, 1927-1973 |
| 37 | 117 | Coal Mines, Florence Mining District, Florence, undated |
| Colorado, 1852-1975 and undated | ||
| 37 | 118 | Colorado, Big Thompson Project, Grand and Larimer Counties, 1956 |
| 37 | 119 | Colorado Fuel and Iron Company, Pueblo, 1972 |
| 37 | 120 | Colorado Mining Railroad, Colorado Springs to New Castle, 1898 |
| 37 | 121 | Colorado Midland Railroad Charcoal Ovens, Sellers, 1969 |
| 37 | 122 | Colorado Springs Electric System, Colorado Springs, undated |
| 37 | 123 | Colorado Springs Sewage System, Colorado Springs, 1893 |
| 37 | 124 | Colorado Springs Waterworks, Colorado Springs, 1896 and undated |
| 37 | 125 | Comanche Crossing of the Kansas, Pacific Railroad near Strasburg, Arapahoe County,1972 |
| 37 | 126 | Commercial Street Bridge, Trinidad, 1906 and undated |
| 37 | 127 | Creede Mining District, General Creede, Colorado, 1892 |
| 37 | 128 | Colorado Springs and Cripple Creek District Railroad, Cripple Creek Mining District,1902 |
| 37 | 129 | Cripple Creek Mining District, Cripple Creek, 1892 and undated |
| 37 | 130 | Cross Mill, Gunnison Mining District, Gunnison, 1896 |
| 37 | 131 | Crooke Smelter, Lake City, undated |
| 37 | 132 | Cumbres and Toltec Railroad Water Supply System, Chama New Mexico to AntonitoColorado, 1971 and undated |
| 37 | 133 | Del Norte Canal, San Luis Valley Irrigation, 1891 |
| 37 | 134 | Denver and Rio Grande Western Railway, General Construction, 1911 |
| 37 | 135 | Denver Electric Railways, Denver, Denver County, 1889-1909 |
| 37 | 136 | Denver Electric System, Denver, Denver County, 1891 |
| 37 | 137 | Denver Foundry, Denver, Denver County, 1860 |
| 37 | 138 | Denver Mint (Original Section), Denver, Denver County, 1974 |
| 37 | 139 | Denver, Northwestern and Pacific Railway, Salt Lake City Utah to Denver, 1905 |
| 37 | 140 | Denver Refrigeration System, Denver, Denver County, 1852-1891 and undated |
| 37 | 141 | Denver Sewage System, Denver, Denver County, 1898 |
| 37 | 142 | Denver Telephone System, Denver, Denver County, 1879 |
| 37 | 143 | Denver Viaducts, Denver, Denver County, 1908 |
| 37 | 144 | Denver Waterworks, Denver, Denver County, 1894-1897 |
| 37 | 145 | Durango - Silverton Narrow-Gauge Railroad, La Plata and San Juan Counties, 1972 |
| 38 | 1 | Eagle River Canyon Railway Line, Denver and Rio Grande Railway, west of Pueblo, 1907 |
| 38 | 2 | Early Radio Broadcasting, Cheyenne Wyoming to Trinidad Colorado, 1957 |
| 38 | 3 | Eiless Smelter, Leadville Mining District, Leadville, 1893 |
| 38 | 4 | Enterprise Silver Mine, near Rico, 1892 |
| 38 | 5 | Evening Star Mine and Mill, Leadville Mining District, Leadville, 1881 |
| 38 | 6 | Florence and Cripple Creek Railroad, Cripple Creek Mining District, 1957 |
| 38 | 7 | Florence Water Works, Florence, undated |
| 38 | 8 | Fort Collins Hydraulics Laboratory 1913, Fort Collins, 1913 |
| 38 | 9 | Fort Collins Waterworks, Fort Collins 1894 |
| 38 | 10 | Fort Logan Sewage System, Fort Logan, 1912 |
| 38 | 11 | Four Mile House, Stagecoach Station, Denver, Denver County, 1972 |
| 38 | 12 | Freeland Mine, Clear Creek County, 1880-1885 |
| 38 | 13 | Free Silver Mine, Aspen Mining District, Aspen, undated |
| 38 | 14 | Georgetown, Silver Plume Mining District, Georgetown and Silver Plume Vicinity, Clear Creek County, 1972 |
| 38 | 15 | Georgetown Loop, near Georgetown, Clear Creek County, 1974 |
| Colorado, 1852-1975 and undated | ||
| 38 | 16 | Georgetown Ore Processing Mill and Dam, Georgetown, Clear Creek County, 1972 |
| 38 | 17 | Gilpin County Mining District, Gilpin County, undated |
| 38 | 18 | Glen Eyre Power Plant, near Colorado Springs, 1907 |
| 38 | 19 | Glenwood Hydroelectric Plant, Grand River, near Glenwood, 1910 |
| 38 | 20 | Gold-Coin Mines, Gilpin County Mining District, Gilpin County, 1896 |
| 38 | 21 | Golden Waterworks, Golden, undated |
| 38 | 22 | Grand River Highway Bridge, west of Grand Junction, 1915 |
| 38 | 23 | Grand Valley Canal, Grand River Irrigation System, near Grand Junction, 1905 |
| 38 | 24 | Grand River Diversion Dam, Grand River Irrigation System, near Grand Junction, 1913 |
| 38 | 25 | Grant Smelter, Denver, Denver County, 1883-1886 |
| 38 | 26 | Grays Peak Tunnel, west of Denver, Denver County, 1891 |
| 38 | 27 | Greeley Waterworks, Greeley, 1907 |
| 38 | 28 | Gunnison Mining District, General Gunnison, 1881 |
| 38 | 29 | Gunnison River Bridge 1900, near Whitewater, Mesa County, 1902 |
| 38 | 30 | Gunnison Tunnel, near Montrose, Montrose County, 1902-1975 |
| 38 | 31 | Halligan Dam, Cache la Poudre River, northwest of Fort Collins, 1912 |
| 38 | 32 | Hagerman Tunnel, near Colorado Springs, 1887 |
| 38 | 33 | Hanging Bridge, Royal Gorge, 1892-1907 |
| 38 | 34 | Hanging Flume of the Dolores Canyon, Dolores Canyon, San Miguel River, Montrose County, 1890 |
| 38 | 35 | Hendrie and Bolthoff Foundry, Central City Mining District, Central City, undated |
| 38 | 36 | Highline Canal, north of Denver, undated |
| 38 | 37 | Holden Smelting and Milling Company, Aspen Mining District, Aspen, 1893-1896 |
| 38 | 38 | Horse Creek Dam, northeast of Denver, 1914 |
| 38 | 39 | Idaho Springs Mines, Gilpin County, Mining District, Gilpin County, 1859 |
| 38 | 40 | Independence Mine, Cripple Creek Mining District, Cripple Creek, undated |
| 38 | 41 | Independence Mining District, Pitkin County, 1974 |
| 38 | 42 | Humbolt, Pocahontas Vein, Rosita, 1878-1896 |
| 38 | 43 | John Hatcher Ditch, Las Animas County, 1928-1971 |
| 38 | 44 | Julesburg Irrigation Project, Sedgwick and Logan Counties, 1911 |
| 38 | 45 | Jumbo Reservoir, Sedgwick County, 1911 |
| 38 | 46 | Kansas Mine, Gilpin County Mining District, Gilpin County, undated |
| 38 | 47 | King Turquoise Mine, Conejos County, 1890 |
| 38 | 48 | La Belle Mill, Water and Power Company, Cripple Creek Mining District, Cripple Creek, 1889-1899 |
| 38 | 49 | La Plate Mining and Smelting Company, Leadville Mining District, Leadville, undated |
| 38 | 50 | Laramie - Poudre Irrigation Tunnel, Weld County, 1910 |
| 38 | 51 | Leadville Electric System, Leadville, 1897 |
| 38 | 52 | Leadville Mining District, General Leadville, 1972 |
| 38 | 53 | Leadville Sewage System, Leadville, 1895 |
| 38 | 54 | Leadville Telephone System, Leadville, 1889 |
| 38 | 55 | Leadville Waterworks, Leadville, 1893 |
| 38 | 56 | Lebanon and Everett Mine Tunnels, near Silver plume, 1974 |
| 38 | 57 | Liberty Bell Gold Mine, Telluride Mining District, Telluride, 1899-1919 |
| 38 | 58 | Maroon Creek Bridge, Colorado Midland Railroad near Aspen, 1973 |
| 38 | 59 | Mesa Verde Water Supply Systems, Mesa Verde National Park, Montezuma County, 1954-1968 |
| Colorado, 1852-1975 and undated | ||
| 38 | 60 | Moffat Tunnel, Denver and Salt Lake Railroad, west of Denver, 1975 |
| 38 | 61 | Montezuma Valley Irrigation System, near Cortez, Montezuma County, 1887-1971 |
| 38 | 62 | Montrose Waterworks, Montrose, 1915 |
| 38 | 63 | Monument Creek Reservoir, Monument Creek, Monument, 1893 |
| 38 | 64 | Mt. Manitou Cable Incline, near Colorado Springs, undated |
| 38 | 65 | Mt. Morrison Cable Incline, southwest of Denver, undated |
| 38 | 66 | North Bolder Silver Mine, Boulder Mining District, Boulder, undated |
| 38 | 67 | North Star Mine, near Silverton, 1874 |
| 38 | 68 | Oil Wells, Florence Mining District, Florence, 1891 |
| 38 | 69 | Omaha and Grant Smelter, Denver, Denver County, 1883-1885 |
| 38 | 70 | Ophir Loop, Rio Grande Southern Railroad, Ophir, 1890 |
| 38 | 71 | Philadelphia Reduction Plant, Colorado City, Pueblo County, 1898 |
| 38 | 72 | Pikes Peak Cog Railroad, near Colorado Springs, Colorado, 1890-1893 |
| 38 | 73 | Pikes Peak Highway, near Colorado Springs, 1915 |
| 38 | 74 | Pikes Peak Hydroelectric Company Power Plant, Manitou, 1905-1906 |
| 38 | 75 | Pikes Peak Power Company, Victor, 1920-1971 |
| 38 | 76 | Pleasant Canyon Falsework, Rio Grande Southern Railway, Southwestern Colorado, 1891 |
| 38 | 77 | Portland Cement Plant, Portland, Colorado, 1904-1927 |
| 38 | 78 | Portland Mine, Cripple Creek Mining District, Cripple Creek, 1918 |
| 38 | 79 | Prewitt Reservoir, South Platte River, Merino County, 1912 |
| 38 | 80 | Pueblo-Rocky Ford Irrigation System, south of Pueblo, 1911 |
| 38 | 81 | Pueblo Smelting Company, Pueblo, 1893 |
| 38 | 82 | Pueblo Waterworks, Pueblo, 1907-1908 |
| 38 | 83 | Red Mountain Silver Mines, near Ouray, Ouray County, 1891 |
| 38 | 84 | Rico and Trout Lake Railroad Water Tanks, Dolores and San Miguel Counties, 1971 |
| 38 | 85 | Rio Grande Reservoir Dam, San Luis Valley Irrigation, San Luis Valley, 1912 |
| 38 | 86 | Rocky Ford Waterworks, Rocky Ford, 1907 |
| 38 | 87 | Rolling Dam of the Grande Valley Project, Grande River Mesa County, 1927-171 |
| 38 | 88 | Roosevelt Drainage Tunnel, Cripple Creek Mining District, 1908-1916 |
| 38 | 89 | San Juan County Mining District - General, San Juan County, 1881-1882 |
| 38 | 90 | San Luis Peoples Ditch, San Luis, 1971 |
| 38 | 91 | San Miguel Consolidated Mine, Telluride Mining District, Telluride, undated |
| 38 | 92 | Sanchez Project, San Luis Valley Irrigation, 1911 |
| 38 | 93 | Santa Maria Dam, San Luis Valley Irrigation, 1912 |
| 38 | 94 | Schaffer Dam, Beaver Creek, Fremont County, 1911 |
| 38 | 95 | Scheyer Reduction Mill, Denver, Denver County, 1878 |
| 38 | 96 | Silver Cliff Mining District - General, Silver Cliff, 1879 |
| 38 | 97 | Silver Ledge Mine and Mill, north of Silverton, undated |
| 38 | 98 | Silver Plume Depot, Silver Plume, 1972 |
| 38 | 99 | Silverton Hydroelectric Plant, Silverton, 1896 |
| 38 | 100 | Silverton Mining District, Silverton , 1972 |
| 38 | 101 | Silverton Railroad, Silverton to Albany, 1852 |
| 38 | 102 | Smelters Row, Golden Mining District, Golden, undated |
| 38 | 103 | Smugglers Union Mine, Telluride Mining District, Telluride, 1896 |
| 38 | 104 | Snow Tunnel between Silverton and Ouray, 1888 |
| 38 | 105 | South Iron Hill Mine, Leadville Mining District, Leadville, 1885 |
| 38 | 106 | Springdale Ditch, near Sterling, 1910 |
| 38 | 107 | Stanley Lake Dam, South Platte River, northwest of Denver, 1909-1927 |
| Colorado, 1852-1975 and undated | ||
| 38 | 108 | Sunrise Peak Aerial Tramway, Silver Plume, 1911 |
| 38 | 109 | Telluride Mining District, Telluride, 1972 |
| 38 | 110 | Tennessee Pass Tunnel, Denver and Rio Grande Railroad, Tennessee Pass, 1898 |
| 38 | 111 | Terrace Dam, Conejos County, 1927 |
| 38 | 112 | Terrace Dam, San Luis Valley Irrigation, Alamosa River, San Luis Valley, 1905-1906 |
| 38 | 113 | Tivoli Brewery, Denver, Denver County, 1974 |
| 38 | 114 | Tomboy Mine and Mill, Telluride Mining District, Telluride, undated |
| 38 | 115 | Tomichi Mining District - General, Gunnison City, Gunnison County, 1881 |
| 38 | 116 | Trinchea Irrigation District, San Luis Valley Irrigation, San Luis Valley, undated |
| 38 | 117 | Trinidad Coal Mines, Trinidad, 1907 |
| 38 | 118 | Trinidad Electric Railway and Gas Company, Trinidad, 1911 |
| 38 | 119 | Trinidad Sewage System, Trinidad, 1893 |
| 38 | 120 | Trinidad Waterworks, Trinidad, 1966-1971 |
| 38 | 121 | Una Highway Bridge, Grand River, near Una, 1912 |
| 38 | 122 | Uncompahgre Reservation Asphalt Mines, 1893 |
| 38 | 123 | Union Colony Irrigation Systems, Greeley, 1892 |
| 38 | 124 | Veta Pass, Walsenburg, Huerfano County, undated |
| 38 | 125 | Veterans Tunnel, Aspen Mining District, Aspen, undated |
| 38 | 126 | Virginius Mine Hydroelectric Plant, near Ouray, 1892 |
| 38 | 127 | West Side Irrigation System, Routt County, 1896 |
| 38 | 128 | Western Colorado Power Company, Montrose area, 1913 |
| 38 | 129 | Wheeler Mill, Black Hawk, undated |
| Historic American Engineering Record, 1971-1972 | ||
| 38 | 130 | Wooten Land and Fuel Company, south of Trinidad, 1905-1910 |
| 38 | 131 | Inventory of Sites Documented, 1972 |
| Research on the History of Water Supply Systems in the American Southwest | ||
| 38 | 132 | Ames Power Plant, 1971 |
| 38 | 133 | Baca Ditch, 1971 |
| 38 | 134 | Cumbres and Toltec Railroad Water Supply System, 1971 |
| 38 | 135 | Gunnison Tunnel, 1971 |
| 38 | 136 | Montezuma Valley Irrigation Project, 1971 |
| 38 | 137 | John Hatcher Dam, 1971 |
| 38 | 138 | Mesa Verde Water Supply System, 1971 |
| 38 | 139 | Rico and Trout Lake Railroad Water Tanks, 1971 |
| 38 | 140 | Rolling Dam of the Grand Valley Project, 1971 |
| 38 | 141 | San Luis Peoples Ditch, 1971 |
| 38 | 142 | Trinidad Waterworks, 1971 |
| Research Material, 1876-1974 and undated | ||
| 38 | 143 | Artesian Wells, Engineering, General, 1891 |
| 38 | 144 | Engineering, General, 1898 |
| 38 | 145 | Mining, Engineering, General, 1876-1908 |
| 38 | 146 | Mining Machinery, Engineering, General, 1884-1885 |
| 38 | 147 | Interbasin Diversions, Engineering, General, undated |
| 38 | 148 | Irrigation, Engineering, General, 1974 |
| 38 | 149 | Scientific Social Proceeding, Newman Hill, 1892 |
| Bibliographic Information (Arranged alphabetically by topic), 1970s | ||
| 39 | 1 | A, 1970s |
| 39 | 2 | B, 1970s |
| 39 | 3 | C, 1970s |
| Colorado, 1852-1975 and undated | ||
| Bibliographic Information (Arranged alphabetically by topic), 1970s | ||
| 39 | 4 | D-F, 1970s |
| 39 | 5 | G-H, 1970s |
| 39 | 6 | L-O, 1970s |
| 39 | 7 | P-S, 1970s |
| 39 | 8 | T-W, 1970s |
| 39 | 9 | A-W, 1970s |
| Florida, 1916-circa 1990 and undated | ||
| 39 | 10 | Bridge Identification Spreadsheets, 1988 |
| 39 | 11 | Photographs - Contact Sheets, Highways and Bridges, 1980s |
| Research Materials, 1916-1989 | ||
| 39 | 12 | Florida Highways, 1923-1924 |
| 40 | 1 | Florida Historic Bridge Survey, 1988-1989 |
| 40 | 2 | Florida Historic Bridge Inventory, 1989 |
| 40 | 3 | Note Cards, undated |
| 40 | 4 | Reports of the State Road Department of State of Florida, 1916-1950 |
| 40 | 5 | Structure Inventory and Appraisal, 1989 |
| 40 | 6 | Florida Survey of Historical and Architecturally Significant Bridges, 1980-1983 |
| 40 | 7 | Reports: Historical Overview of Florida Roads and Highway Bridges, 1990s |
| Kansas, 1979-1983 | ||
| 41 | 1 | ONeil Mines Concentrating Mill, Galena, Cherokee County, Kansas, 1980-1983 |
| 41 | 2 | Samson of the Cimarron Bridge, Liberal, Sumner County, 1979 |
| Oklahoma, 1833-1974 | ||
| 41 | 3 | Afton to Neosho River Concrete Highway (1918), Ottawa and Delaware Counties, Oklahoma, 1974 |
| 41 | 4 | Anadarko Municipal Power Plant, Anadarko, 1974 |
| 41 | 5 | Anadarko Arkansas River Bank Erosion Protection, Arkansas River, near Broden, 1974 |
| 41 | 6 | Backbone Mountain Railway Tunnel, near Pocola, Le Flore County, 1974 |
| 41 | 7 | Bird Creek Stone Arch Bridge, Pawhuska, Osage County, 1974 |
| 41 | 8 | Blackburns Station Site, near Pittsburg, Pittsburg County, 1974 |
| 41 | 9 | Canadian River Suspension Bridge, Gulf Oil Company, Canadian River, 1974 |
| 41 | 10 | Colberts Ferry Site, near Colbert, Bryan County, 1974 |
| 41 | 11 | Co-operative Publishing Company Building, Guthrie, 1974 |
| 41 | 12 | Creek - Cherokee Boundary Survey 1833, 1974 |
| 41 | 13 | Driftwood Grain Elevator, Driftwood, Alfalfa County, 1974 |
| 41 | 14 | Eagle - Picker Coal and Zinc Mines, Ottawa County, 1974 |
| 41 | 15 | Edwards Store, near Red Oaks, Latimer County, 1974 |
| 41 | 16 | Fishers Station (Carriage Point) near Durant, Bryan County, 1974 |
| 41 | 17 | Floris Grain Elevator, Floris, Beaver County, 1974 |
| 41 | 18 | Foraker Stone Arch Highway Bridge, near Chockie, Atoka County, 1974 |
| 41 | 19 | Fullerton Dam and Irrigation Project, Turkey Creek, near Altus, 1974 |
| 41 | 20 | Goldas Mill, near Stilwell, Adair County, 1974 |
| 41 | 21 | Guthrie Waterworks, Guthrie, 1972-1974 |
| 41 | 22 | Hildebrand Mill (Beck Mill), Flint, Delaware County, 1974 |
| 41 | 23 | Holloways Station (The Narrows), near Red Oak, Latimer County, 1974 |
| 41 | 24 | Home Creek Iron Truss Bridge, Home Creek, near Beaver, Beaver County, 1977 |
| 41 | 25 | Initial Point, Garvin - Murray County Line, 1974 |
| Oklahoma, 1833-1974 | ||
| 41 | 26 | Limestone Gap Railroad Underpass Bridge, near Chockie, 1974 |
| 41 | 27 | McAlester Waterworks, McAlester, 1974 |
| 41 | 28 | McLaughlins Mill, near Valliant, McCurtain County, 1974 |
| 41 | 29 | Missouri, Kansas, and Texas Railway Roundhouse, 1974 |
| 41 | 30 | Mountain View Through Truss Railroad Bridges, Rock Island Railroad, near Mountain View, Kiowa County, 1974 |
| 41 | 31 | Muskogee Locomotive Engine House, Missouri, Oklahoma, and Texas Railway & Company, Muskogee, 1972-1974 |
| 41 | 32 | Muskogee Waterworks, Muskogee, 1972-1974 |
| 41 | 33 | Nails Station (Nails Crossing on the Blue River) near Kenefick, Bryan County, 1974 |
| 41 | 34 | Nellie Johnstone Oil Well, Bartlesville, Washington County, 1974 |
| 41 | 35 | Nellie Johnstone No. 1, Bartlesville, Washington County, 1974 |
| 41 | 36 | N. H. Sturgis Patent Suspension Bridges, near Morrison, Noble County, 1974 |
| 41 | 37 | Nida Cotton Gin, Nida, Johnstone County, 1974 |
| 41 | 38 | Oklahoma City Sewage System, Oklahoma City, Oklahoma County, 1972-1974 |
| 41 | 39 | Oklahoma City Waterworks, Oklahoma City, Oklahoma County, 1972-1974 |
| 41 | 40 | Oklahoma Ditch and Water Power Company Power Plant, Oklahoma City, Oklahoma County, 1974 |
| 41 | 41 | Old Fawcett Oil Well, near Wapanucka, Atoka County, 1974 |
| 41 | 42 | Pennington Creek Suspension Bridge, Pennington Creek, Tishomingo, Johnstone County, 1974 |
| 41 | 43 | Penscola Dam, Neosho river, Mayes County, 1974 |
| 41 | 44 | Pusleys Station, near Higgins, Latimer County, 1974 |
| 41 | 45 | Riddles Station Site, near Wilburton, Latimer County, 1974 |
| 41 | 46 | Rock Island Railroad Machine Shop, El Reno, Canadian County, 1974 |
| 41 | 47 | Russell Creek Railroad Bridge 1870, Russell Creek, Craig County, 1974 |
| 41 | 48 | Santa Fe Railway Construction, Newkirk to Pauls Valley, 1974 |
| 41 | 49 | Santa Fe Railway Depot, Shawnee, 1974 |
| 41 | 50 | Santa Fe Railway Whipple Truss Bridge, Lindsay, Garvin County, 1974 |
| 41 | 51 | Texas and Oklahoma Railroad Construction, Oklahoma City to Coalgate, 1974 |
| 41 | 52 | Traherns Station (Council House), Shadypoint, Le Flore County, 1974 |
| 41 | 53 | Victory Hand-Pump Gasoline Service Station, Victory, Jackson County, 1974 |
| 41 | 54 | Waddells Station Site, near Wesley, Atoka County, 1974 |
| 41 | 55 | Bibliography - Engineering, General Information on Historic Sites, 1974 |
| Nevada, 1861-1979 and undated | ||
| Site Investigation Summary | ||
| 41 | 56 | #32-001 to 32-099, 1979 |
| 41 | 57 | #32-100 to 32-199, 1979 |
| 41 | 58 | #32-200 to 32-299, 1979 |
| 41 | 59 | #32-300 to 32-399, 1979 |
| 41 | 60 | #32-400 to 32-499, 1979 |
| 41 | 61 | #32-500 to 32-599, 1979 |
| 41 | 62 | #32-600 to 32-699, 1979 |
| 41 | 63 | #32-700 to 32-799, 1979 |
| 41 | 64 | #32-800 to 32-899, 1979 |
| 41 | 65 | #32-900 to 32-999, 1979 |
| 41 | 66 | #52-001 to 52-039, 1979 |
| 41 | 67 | Miscellaneous Forms, 1975-1979 |
| 41 | 68 | Acme, Mineral County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 41 | 69 | Alkali Spring, Esmeralda County, 1970-1979 |
| 41 | 70 | Alpha, Eureka county, 1970-1979 |
| 41 | 71 | Alunite, Clark County, 1970-1979 |
| 41 | 72 | Amador Mining Camp, Austin, Lander County, 1970-1979 |
| 41 | 73 | Amargosa, Nye County, 1970-1979 |
| 41 | 74 | American Borax Company, Churchill County, 1970-1979 |
| 41 | 75 | American Canyon, Pershing County, 1970-1979 |
| 41 | 76 | American Carrara Marble Company Railroad, Beatty and Carrara, Nye County, 1963-1979 |
| 41 | 77 | American City (Comstock), Storey County, 1970-1979 |
| 41 | 78 | Anderson Toll Road, Reno, Washoe county, 1872-1979 |
| 41 | 79 | Antelope Springs, White Pine County, 1976-1979 |
| 41 | 80 | Applegate - Lassen - Nobles Trail, Washoe, Humboldt, and Pershing Counties, 1975-1979 |
| 41 | 81 | Argenta, Lander County, 1970-1979 |
| 41 | 82 | Arden, Plaster Company Railroad, Arden, Clark County, 1963-1979 |
| 41 | 83 | Arlington Avenue Bridge, Reno, Washoe county, 1977-1979 |
| 41 | 84 | Arrowhead, Nye County, 1970-1979 |
| 41 | 85 | Arrowhead Trail, Las Vegas, Clark County, 1968-1979 |
| 41 | 86 | Ashs Sawmill, Carson City, 1970-1979 |
| 41 | 87 | Atlanta Mining Camp, Lincoln County, 1970-1979 |
| 41 | 88 | Atwood - Goldyke, Gabbs, Nye County, 1970-1979 |
| 41 | 89 | Auburn, Reno, Washoe County, 1876-1979 |
| 41 | 90 | Aura, Elko County, 1970-1979 |
| 41 | 91 | Aurora, Mineral County, 1863-1979 |
| 42 | 1 | Aurora and Kearsage Stage Line, Aurora, Mineral County, 1938-1979 |
| 42 | 2 | Aurora and Silver Peak Stage Line, Aurora, Mineral And Esmeralda Counties, 1938-1979 |
| 42 | 3 | Aurora - Manhattan Stage Line and Road, Mineral, Esmeralda, and Nye Counties, 1938-1979 |
| 42 | 4 | Aurora - San Francisco Telegraph Line, Aurora, Douglas, Lyon, and Mineral Counties, 1938-1979 |
| 42 | 5 | Aurum, White Pine County, 1978 |
| 42 | 6 | Austin, Lander County, 1970-1979 |
| 42 | 7 | Austin City Railway, Austin, Lander County, 1962-1979 |
| 42 | 8 | Austin Waterworks, Austin, Lander County, 1890-1979 |
| 42 | 9 | Babylon, White Pine County, 1970-1979 |
| 42 | 10 | Bach Well, Vernon, Pershing County, 1972-1979 |
| 42 | 11 | Bannock, Lander County, 1970-1979 |
| 42 | 12 | Barcelona, Belmont, Nye County, 1970-1979 |
| 42 | 13 | Barnwell and Searchlight Railway, Searchlight, Clark County, 1979 |
| 42 | 14 | Bartons Arrastra, Esmeralda County, 1975-1979 |
| 42 | 15 | Basic Magnesium Inc., Henderson, Clark County, 1978-1979 |
| 42 | 16 | Battle Mountain and Lewis Railway, Lander County, 1962-1979 |
| 42 | 17 | Bauvard (Banvard), Elko County, 1979 |
| 42 | 18 | Baxter Spring (Cedar Spring), Nye County, 1970-1979 |
| 42 | 19 | Beatty, Nye County, 1968-1979 |
| 42 | 20 | Belle Helen, Nye County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 42 | 21 | Belleville, Mineral County, 1970-1979 |
| 42 | 22 | Belleville Pipeline, Belleville, Mineral County, 1978-1979 |
| 42 | 23 | Belleville Tailings Plant, Belleville, Mineral County, 1978-1979 |
| 42 | 24 | Belleville Tailings Plant Pipeline, Belleville, Mineral County, 1979 |
| 42 | 25 | Belmont, Nye County, 1969-1979 |
| 42 | 26 | Belmont Mine - Tonopah Belmont Development Company, Tonopah, Nye County, 1953-1979 and undated |
| 42 | 27 | Berlin, Nye County, 1966-1979 |
| 42 | 28 | Berlin Sunnyside Pipeline, Berlin, Nye County, 1979 |
| 42 | 29 | Bidwell - Bartelson Trail, Elko, Eureka, Pershing, Lander, Lyon, Humboldt, Churchill, and Douglas Counties, 1975-1979 |
| 42 | 30 | Bernice, Churchill County, 1970-1979 |
| 42 | 31 | Betty ONeal Mine and Mill Complex, Lander County, 1979 |
| 42 | 32 | Black Forest Mine, Elko County, 1979 |
| 42 | 33 | Black Horse, White Pine County, 1970-1979 |
| 42 | 34 | Black Mammoth 50-Ton Mill (Vollmar), Silver Peak, Esmeralda County, 1976-1979 |
| 42 | 35 | Black Mammoth 100-ton Cyanide Mill (Volmar), Silver Peak, Esmeralda County, 1976-1979 |
| 42 | 36 | Blackburn, Eureka County, 1970-1979 |
| 42 | 37 | Blaine, White Pine County, 1970-1979 |
| 42 | 38 | Blair, Esmeralda County, 1976-1979 |
| 42 | 39 | Blair Mill (Pittsburg Silver Peak Gold Mining Company), Esmeralda County, 1976-1979 |
| 42 | 40 | Blair Mill Pipeline, Esmeralda County, 1976-1979 |
| 42 | 41 | Blair Reservoir and Pipeline, Silver Peak, Esmeralda County, 1976-1979 |
| 42 | 42 | Blue Diamond Corporation Railroad, Arden, Clark County, 1963-1979 |
| 42 | 43 | Blue Eagle Spring, Nye County, 1970-1979 |
| 42 | 44 | Boliva (Nickel), Churchill County, 1970-1979 |
| 42 | 45 | Bonnie Claire (Clare, Clair, and, earlier, Throp), Nye County, 1963-1979 |
| 42 | 46 | Booth Street Bridge, Reno, Washoe County, 1979 |
| 42 | 47 | Bovard, Mineral County, 1970-1979 |
| 42 | 48 | Boyd Toll Road (Telegraph Road), Douglas County, 1938-1979 |
| 42 | 49 | Bradford Stinson Commercial Fishery, Mineral County,1976-1979 and undated |
| 42 | 50 | Bristol (earlier National City), Lincoln County, 1970-1979 |
| 42 | 51 | Bristol Wells, Lincoln County, 1970-1979 |
| 42 | 52 | Bristol Well Charcoal Ovens, Bristol Well, Lincoln County, 1971-1979 |
| 42 | 53 | Broken Hills, Mineral County, 1970-1979 |
| 42 | 54 | Brooklyn, Washoe County, 1970-1979 |
| 42 | 55 | Bruno, Elko County, 1970-1979 |
| 42 | 56 | Buck and Charlie Mine and Mill, Lower Rochester, Pershing County, 1973-1979 |
| 42 | 57 | Buck Station, White Pine County, 1960-1979 |
| 42 | 58 | Buckhorn, Eureka County, 1970-1979 |
| 42 | 59 | Buckland (Weeks), Lyon County, 1970-1979 |
| 42 | 60 | Bucklands Station, Lyon County, 1977-1979 |
| 42 | 62 | Buckskin and the Buckskin Mine, Lyon and Douglas Counties, 1970-1979 |
| 42 | 61 | Buckskin Mine and Mill, Humboldt County, 1965-1979 |
| 42 | 63 | Buel, Elko County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 42 | 64 | Buffalo Meadows, Washoe County, 1970-1979 |
| 42 | 65 | Bullfrog, Beatty, Nye County, 1904-1979 |
| 42 | 66 | Bullfrog Goldfield Railroad, Goldfield, Beatty, and Rhyolite in Nye and Esmeralda Counties, 1963-1979 |
| 42 | 67 | Bullion City (Railroad City) and Highland, Elko County, 1970-1979 |
| 42 | 68 | Bullionville, Lincoln County, 1970-1979 |
| 42 | 69 | Bunker Hill, Lander County, 1979 |
| 42 | 70 | Bunkerville, Clark County, 1958-1979 |
| 42 | 71 | Butters Mill, Storey County, 1979 |
| 42 | 72 | Butte Station, White Pine County, 1970-1979 |
| 42 | 73 | Caliente and Pioche Railroad (Southern Pacific, Las Angeles and Salt Lake Railroad), Pioche and Caliente, Lincoln County, 1963-1979 |
| 42 | 74 | Caliente Railroad Depot, Caliente, Lincoln County, 1974-1979 |
| 42 | 75 | California and Consolidated Virginia Water System, 1972-1979 |
| 42 | 76 | California Mill, Washoe County, 1979 |
| 42 | 77 | California - Nevada Boundary Marker, Verdi, Washoe County, 1901-1979 |
| 42 | 78 | Callville, Clark County, 1970-1979 |
| 42 | 79 | Camel Barn, Dayton, Lyon County, 1979 |
| 42 | 80 | Cambridge, Lyon County, 1970-1979 |
| 42 | 81 | Camp McGarry, Humboldt County, 1970-1979 |
| 42 | 82 | Camp Mercury, Mercury, Nye County, 1979 |
| 42 | 83 | Cane Springs (Amos), Humboldt County, 1979 |
| 42 | 84 | Camp Winfield Scott, Paradise Valley, Humboldt County, 1970-1979 |
| 42 | 85 | C and Bonanza Road Overpass, Las Vegas, Clark County, 1978-1979 |
| 42 | 86 | Candelaria, Mineral County, 1968-1979 |
| 42 | 87 | Candelaria - Belleville Telephone Line, Mineral County, 1978-1979 |
| 42 | 88 | Candelaria Mines Company Mill, Candelaria, Mineral County, 1978-1979 |
| 42 | 89 | Candelaria Mines Company Tramway, Candelaria, Mineral County, 1978-1979 |
| 42 | 90 | Candelaria - Tonopah Road, Candelaria, Mineral and Esmeralda Counties, 1978-1979 |
| 42 | 91 | Candelaria - Tonopah - Sodaville Telephone Lines, Esmeralda, Nye, and Mineral Counties, 1978-1979 |
| 42 | 92 | Candelaria Water Line (White Mountain Water Company Pipeline), Candelaria, Mineral and Esmeralda Counties, 1978-1979 |
| 42 | 93 | Cane Springs, Humboldt County, 1970-1979 |
| 42 | 94 | Canyon City (Big Creek), Lander County, 1970-1979 |
| 42 | 95 | Carlin Gold Mine, Elko and Eureka Counties, 1972-1979 |
| 42 | 96 | Carrara, Beatty, Nye County, 1970-1976 |
| 42 | 97 | Carroll, Lander County, 1970-1979 |
| 42 | 98 | Carson and Colorado Railroad, Mina, Mineral and Lyon Counties, 1962-1979 |
| Nevada, 1861-1979 and undated | ||
| 42 | 99 | Carson and Tahoe Lumber and Fluming Company, Washoe County, 1947-1979 |
| 42 | 100 | Carson and Tahoe Lumber and Fluming Company - Clear Creek Flume,Douglas and Carson City Counties, 1932-1979 |
| 42 | 101 | Carson and Tahoe Lumber and Fluming Company Railroad, Glenbrook,Washoe County, 1947-1979 |
| 42 | 102 | Carson and Colorado Railroad Mount Montgomery Tunnel, Mineral County,1979 |
| 42 | 103 | Carson Brewing Company Brewery, Carson City, Carson City County,1976-1979 |
| 42 | 104 | Carson City and Silver Mountain Stage Line, Douglas and Carson CityCounties, 1938 |
| 42 | 105 | Carson City - Halfway House Toll Road, Carson City and Storey Counties,1947-1979 |
| 42 | 106 | Carson City, Pine Grove, and Aurora Stage Line, Carson City, Douglas, Lyon, and Mineral Counties, 1938-1979 |
| 42 | 107 | Carson City Pony Express Station, Carson City County, 1976-1979 |
| 42 | 108 | Carson City - Virginia City Road, Carson City, Lyon, and Lyon Counties,1947-1979 |
| 42 | 109 | Carson River Bridge, Fallon, Churchill County, 1978-1979 |
| 42 | 110 | Carson River Canyon Ore Reduction Mills, Carson City and Lyon Counties,1970-1979 |
| 42 | 111 | Carson River Diversion Dam, Churchill County, 1979 and undated |
| 42 | 112 | Carson River Railroad Bridge on the Mina Branch Line, Lyon County, 1979 |
| 42 | 113 | Carson Sink Station, Churchill County, 1970-1979 |
| 42 | 114 | Carters Station, Douglas County, 1970-1979 |
| 42 | 115 | Catlin Shale Oil Plant, Elko, Elko County, 1974-1979 |
| 42 | 116 | Cave Rock Tunnel, Douglas County, 1978-1979 |
| 42 | 117 | Center Street Bridge, Reno, Washoe County, 1977-1979 |
| 42 | 118 | Central City, Manhattan, Nye County, 1970-1979 |
| 42 | 119 | Central Pacific Railroad Covered Bridge, Wadsworth, Washoe County, 1979 |
| 42 | 120 | Central Pacific Railroad - Mainline, Washoe, Storey, Churchill, Pershing,Humboldt, and Elko County, 1962-1979 |
| 42 | 121 | Central Pacific Railroad Truckee River Bridge, Fleisch, Washoe County, 1979 |
| 42 | 122 | Central Pacific Shops at Wadsworth, Washoe County, 1979 |
| 42 | 123 | Central Pacific Water System, Elko, Elko County, 1969-1979 |
| 42 | 124 | Chalk Mountain Silver Lead Mines Company Mill, Churchill County,1974-1979 |
| 42 | 125 | Charleston, Elko County, 1970-1979 |
| 42 | 126 | Cherry Creek, White Pine County, 1970-1979 |
| 42 | 127 | Cherry Creek Station, Cherry Creek, White Pine County, 1978-1979 |
| 42 | 128 | Chiatovich Mill (1893), Esmeralda County, 1976-1979 |
| 42 | 129 | Chinese Vegetable Gardens Waterwheels, Elko, Elko County, 1969-1979 |
| 42 | 130 | Churchill County Cantaloupe Growers Packing Shed, Fallon, ChurchillCounty, 1977-1979 |
| 42 | 131 | Churchill County and Telegraph System, Churchill County, 1977-1979 |
| 42 | 132 | Churchill Creamery Company, Fallon, Churchill County, 1977-1979 |
| 42 | 133 | Clan Alpine, Churchill County, 1970-1979 |
| 42 | 134 | Clear Creek Sash and Door Company, Douglas and Carson Counties, 1947-1979 |
| Nevada, 1861-1979 and undated | ||
| 43 | 1 | Clear Creek Sawmill, Carson City and Douglas Counties, 1947-1979 |
| 43 | 2 | Clear Creek Station, Carson City, Carson City County, 1970-1979 |
| 43 | 3 | Clear Creek Toll Road, Carson City and Douglas Counties, 1947-1979\ |
| 43 | 4 | Clifford (later Helena), Nye County, 1970-1979 |
| 43 | 5 | Clifton, Lander County, 1970-1979 |
| 43 | 6 | Clinton, Lander County, 1970-1979 |
| 43 | 7 | Cloverdale, Nye County, 1970-1979 |
| 43 | 8 | Coaldale, Esmeralda County, 1970-1979 |
| 43 | 9 | Coaldale Coal Fields, Coaldale, Esmeralda County, 1978-1979 |
| 43 | 10 | Coalition Cyanide Mill, Seven Troughs, Pershing County, 1977-1979 |
| 43 | 11 | Cobre, Elko County, 1970-1979 |
| 43 | 12 | Cold Springs (Overland Station), Churchill County, 1970-1979 |
| 43 | 13 | Cold Springs Pont Express Station, Churchill County, 1976-1979 |
| 43 | 14 | Colonel Youngs Mill, Columbus, Esmeralda County, 1978-1979 |
| 43 | 15 | Columbia, Elko County, 1970-1979 |
| 43 | 16 | Columbia, Esmeralda County, 1970-1979 |
| 43 | 17 | Columbia, Eureka County, 1970-1979 |
| 43 | 18 | Columbus, Esmeralda County, 1970-1979 |
| 43 | 19 | Columbus (Candelaria) Mining District, Candelaria, Mineral and Esmeralda Counties, 1978-1979 |
| 43 | 20 | Columbus Foundry and Mill, Columbus, Esmeralda County, 1978-1979 |
| 43 | 21 | Columbus Marsh, Columbus, Esmeralda County, 1978-1979 |
| 43 | 22 | Columbus Mill and Mining Company Mill, Columbus, Esmeralda County, 1978-1979 |
| 43 | 23 | Combination Fraction Mine Headframe, Goldfield, Esmeralda County, 1979 |
| 43 | 24 | Combination Mill, Goldfield, Esmeralda County, 1979 |
| 43 | 25 | Combination Mine Headframe (1903), Goldfield, Esmeralda County, 1979 |
| 43 | 26 | Combination Mill, Belmont, Nye County, 1979 |
| 43 | 27 | Combination Shaft Hydraulic Pump, Virginia City, Storey County, 1972-1979 |
| 43 | 28 | Como (Palmyra), Lyon County, 1970-1979 |
| 43 | 29 | Como Mill, Dayton, Lyon County, 1976-1979 |
| 43 | 30 | Consolidated Gold Acres Mill, Lander County, 1972-1979 |
| 43 | 31 | Consolidated Virginia Mill, Virginia City, Storey County, 1970-1979 |
| 43 | 32 | Contact, Elko County, 1970-1979 |
| 43 | 33 | Copper Basin, Lander County, 1970-1979 |
| 43 | 34 | Copper Canyon, Lander County, 1970-1979 |
| 43 | 35 | Coppereid (White Cloud City), Churchill County, 1970-1979 |
| 43 | 36 | Cord Mill, Esmeralda County, 1976 |
| 43 | 37 | Cord Mill Pipeline, Esmeralda County, 1976-1979 |
| 43 | 38 | Cornucopia, Elko County, 1875-1979 |
| 43 | 39 | Cortez, Lander County, 1910-1979 |
| 43 | 40 | Cortez Mine and Mill, Lander County, 1979 |
| 43 | 41 | Coryville (Coreyville), Mineral County, 1970-1979 |
| 43 | 42 | Coyote Sawmill - Clear Creek, Carson City and Douglas Counties, 1947-1979 |
| 43 | 43 | Cradlebaugh Toll Road, Carson City and Douglas Counties, 1938-1979 |
| 43 | 44 | Creamland Dairy, Fallon, Churchill County, 1977-1979 |
| 43 | 45 | Crescent, Clark County, 1970-1979 |
| 43 | 46 | Crescent Mill, Hiko, Lincoln County, 1979 |
| 43 | 47 | Crow Spring, Esmeralda County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 43 | 48 | Crystal Peak, Verdi, Washoe County, 1970-1979 |
| 43 | 49 | Crystal Peak Brewery, Crystal Peak, Washoe County, 1976-1979 |
| 43 | 50 | Cuprite, Esmeralda County, 1970-1979 |
| 43 | 51 | Currie, Elko County, 1970-1979 |
| 43 | 52 | Currys Warm Spring, Carson City, Carson City County, 1970-1979 |
| 43 | 53 | C. W. Fuller Bridge Reno, Washoe County, 1977-1979 |
| 43 | 54 | Danville, Nye County, 1970-1979 |
| 43 | 55 | Dalls Road, Washoe County, 1979 and undated |
| 43 | 56 | Darby Mill, Mazuma, Pershing County, 1977-1979 |
| 43 | 57 | Darrough Hot Springs, Nye County, 1979 |
| 43 | 58 | Dayton, Lyon County, 1970-1979 |
| 43 | 59 | Davis Dam, Power Plant, and Reservoir, Clark County, 1979 and undated |
| 43 | 60 | Davis Well, Rochester, Pershing County, 1973-1979 |
| 43 | 61 | Dayton (Chinatown) Pony Express Station, Dayton, Lyon County, 1976-1979 |
| 43 | 62 | Dayton, Sutro, and Carson Valley Railroad, Dayton, Storey County, 1962-1979 |
| 43 | 63 | Deep Tunnel, Seven Troughs, Pershing County, 1977-1979 |
| 43 | 64 | Dayton-Virginia City Toll Road, Lyon and Storey County,1947-1979 |
| 43 | 65 | Dead Horse Well, Mineral County, 1970-1979 |
| 43 | 66 | Dean (Upper Lewis), Lander County, 1979 |
| 43 | 67 | Death Valley Immigrant Trail, Lincoln, Nye County, 1979 and undated |
| 43 | 68 | Deeth, Elko County, 1970-1979 |
| 43 | 69 | Deeth Overpass Number 1, Deeth, Elko County, 1978-1979 |
| 43 | 70 | Deeth Overpass Number 2, Deeth, Elko County, 1978-1979 |
| 43 | 71 | Delamar, Lincoln County, 1909-1979 and undated |
| 43 | 72 | Delamar - Meadow Valley Wash Pipeline, Delamar, Lincoln County, 1970-1979 |
| 43 | 73 | Derby, Washoe County, 1970-1979 |
| 43 | 74 | Derby Diversion Dam, Storey County, 1977-1979 |
| 43 | 75 | Desert Crystal Salt Company, Churchill County, 1970-1979 |
| 43 | 76 | Desert Power and Milling Company Mill, Millers, Esmeralda County, 1953-1979 |
| 43 | 77 | Desert Queen Mine - Tonopah Mining Company, Tonopah, Nye County, 1953-1979 |
| 43 | 78 | Desert Silver Dam and Pipeline, Esmeralda County, 1976-1979 |
| 43 | 79 | Desert Silver Mine and Mill, Esmeralda County, 1979 and undated |
| 43 | 80 | Desert Station (Houten Well), Lyon County, 1970-1979 |
| 43 | 81 | Desert Well Station, Lyon County, 1970-1979 |
| 43 | 82 | Devils Gate, Storey County, 1970-1979 |
| 43 | 83 | Diamond City, Eureka County, 1970-1979 |
| 43 | 84 | Diamondfield, Esmeralda County, 1970-1979 |
| 43 | 85 | Diamond Springs, Eureka County, 1976-1979 |
| 43 | 86 | Dickson Toll Road, Aurora, Douglas, Lyon, and Mineral Counties, 1938-1979 |
| 43 | 87 | Dinner Station, Elko County, 1970-1979 |
| 43 | 88 | Divide (earlier Gold Mountain), Tonopah, Esmeralda County, 1970-1979 |
| 43 | 89 | Dixie, Churchill County, 1970-1979 |
| 43 | 90 | Dodge Pellet Mill, Fallon, Churchill County, 1977-1979 |
| 43 | 91 | Dolly Varden, Elko County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 43 | 92 | Donner Trail (Salt Lake Cut-Off), Elko, Eureka, Lander, Pershing, Washoe, Humboldt, and Churchill Counties, 1979 and undated |
| 43 | 93 | Double Spring, Douglas County, 1970-1979 |
| 43 | 94 | Douglas or Silver Star Mining Camp, Mineral County, 1970-1979 |
| 43 | 95 | Downeyville, Nye County, 1970-1979 |
| 43 | 96 | Dromedary Mill, Churchill County, 1974-1979 |
| 43 | 97 | Dry Creek Station, Lander County, 1970-1979 |
| 43 | 98 | Dry Run Creek Railroad Bridge, Churchill County, 1979 and undated |
| 43 | 99 | Dry Wells Station, Lander County, 1976-1979 |
| 43 | 100 | Dunphy Overpass, Dunphy Station, Eureka County, 1978-1979 |
| 43 | 101 | Dun Glen (later Chafey), Pershing County, 1970-1979 |
| 43 | 102 | Dutch Creek, Mineral County, 1970-1979 |
| 43 | 103 | Dutch Flat, Humboldt County, 1970-1979 |
| 43 | 104 | Eagle Salt Works, Churchill County, 1872-1979 |
| 43 | 105 | Eagle Salt Works Railroad, Churchill County, 1962-1979 |
| 43 | 106 | Eagleville, Mineral County, 1970-1979 |
| 43 | 107 | Eastgate, Churchill County, 1970-1979 |
| 43 | 108 | Eastgate Station, Churchill County, 1970-1979 |
| 43 | 109 | Eberhardt, White Pine County, 1970-1979 |
| 43 | 110 | Edgemont, Elko, County, 1970 |
| 43 | 111 | Egan Canyon, White Pine County, 1970-1979 and undated |
| 43 | 112 | Elbow, Lyon County, 1970-1979 |
| 43 | 113 | Eldorado (later Nelson), Clark County, 1862-1979 |
| 43 | 114 | Electric Gold Mine and Mill, Weepah, Esmeralda County, 1975-1979 |
| 43 | 115 | Elko Freight Depots, Elko County, 1969-1979 |
| 43 | 116 | Elko - Osino Canal, Elko and Osino, Elko County, 1979 and undated |
| 43 | 117 | Ellendale, Nye County, 1970-1979 |
| 43 | 118 | Elliotts Sawmill - Clear Creek, Carson City and Douglas Counties, 1947-1979 |
| 43 | 119 | Ellsworth, Nye County, 1970-1979 |
| 43 | 120 | Ely, White Pine County, 1909-1979 and undated |
| 43 | 121 | Ely-Sunnyside Telephone Line, White Pine and Nye Counties, 1979 andundated |
| 43 | 122 | Emigrant Trail - Humboldt Route, Elko, Douglas, and Washoe Counties, 1979 |
| 43 | 123 | Empire City Mining Camp, Carson City, Carson City County, 1970-1979 |
| 43 | 124 | Empire Tramline, Empire, Washoe County, 18961-1979 and undated |
| 43 | 125 | Endowment Mine and Mill, Marietta, Mineral County, 1978-1979 |
| 43 | 126 | Esmeralda Toll Road, Carson City, Ormsby, Esmeralda, Douglas, Mineral, andLyon Counties, 1978-1979 |
| 43 | 127 | Etno, Pershing County, 1970-1979 |
| 43 | 128 | Eureka, Eureka County, 1874-1979 |
| 43 | 129 | Eureka and Palisade Railroad, Palisade, Eureka County, 1962-1979 |
| 43 | 130 | Eureka and Palisade Roundhouse, Shops, Transfer Trestle, Palisade, EurekaCounty, 1979 |
| 43 | 131 | Eureka and Ruby Hill Narrow Gauge Railroad, Eureka County, 1979 |
| 43 | 132 | Eureka Mill Railroad, Carson City and Storey County, 1962-1979 |
| 43 | 133 | Eureka Waterworks, Eureka County, 1975-1979 |
| 43 | 134 | Express Grade, Genoa, Douglas, Lyon, and Mineral Counties, 1938-1979 |
| 44 | 1 | Fairbanks Ranch, Nye County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 44 | 2 | Fairview, Churchill County, 1970-1979 |
| 44 | 3 | Fairview - Wonder Water Company Well, Fairview, Churchill County, 1974-1979 |
| 44 | 4 | Falcon, Elko County, 1970-1979 |
| 44 | 5 | Fallon Railroad Bridge Across the Carson River, Churchill County, 1979 and undated |
| 44 | 6 | Fallon Water Department, Fallon, Churchill County, 1979 |
| 44 | 7 | Fanchini and Hughes Tailing Plant, Silver Peak, Esmeralda County, 1976-1979 |
| 44 | 8 | Fanchini and Hughes Mill, Silver Peak, Esmeralda County, 19761-1979 |
| 44 | 9 | Farrell, Pershing County, 1970-1979 |
| 44 | 10 | Farrell Pipeline, Farrell, Pershing County, 1977-1979 |
| 44 | 11 | Fay (Deerlodge), Lincoln County, 1970-1979 |
| 44 | 12 | Fernley Overpass, Fernley, Lyon County, 1978-1979 |
| 44 | 13 | Fernley Ranches (Painted Rock Interchange) Bridge, Washoe County, 1979 |
| 44 | 14 | Fernley Underpass, Fernley, Lyon County, 1978-1979 |
| 44 | 15 | Fish Lake (Borax City), Esmeralda County, 1970-1979 |
| 44 | 16 | Fish Lake Valley Marsh, Esmeralda County, 1978-1979 |
| 44 | 17 | Flaxie Mill, Jarbridge, Elko County, 1978-1979 |
| 44 | 18 | Fletcher, Mineral County, 1970-1979 |
| 44 | 19 | Florence Goldfield Mining Company Mill, Goldfield, Esmeralda County, 1979 |
| 44 | 20 | Florence Mine Headframe, Goldfield, Esmeralda County, 1979 |
| 44 | 21 | Foote Mineral Company Lithium Plant, Silver Peak, Esmeralda County, 1976-1979 |
| 44 | 22 | Fort Churchill, Lyon County, 1960-1979 |
| 44 | 23 | Fort McDermitt, Humboldt County, 1970-1979 |
| 44 | 24 | Fort Ruby (Hobson), White Pine County, 1961-1979 |
| 44 | 25 | Franktown, Washoe County, 1970-1979 |
| 44 | 26 | Franktown Sawmill, Franktown, Washoe County, 1947-1979 |
| 44 | 27 | Frenchman, Churchill County, 1970-1979 |
| 44 | 28 | Freyburg (Frieburg, Freiburg), Lincoln County, 1970-1979 |
| 44 | 29 | Fridays or Smalls Station, Stateline, Douglas County, 1970-1979 |
| 44 | 30 | Friedman Aerial Tram Line, Rochester, Pershing County, 1979 |
| 44 | 31 | Friedman Tunnel, Rochester, Pershing County, 1973-1979 |
| 44 | 32 | Friedmans Mill at Tunnel Camp, Pershing County, 1977-1979 |
| 44 | 33 | Galena, Lander County, 1876-1979 |
| 44 | 34 | Galena, Washoe County, 1970-1979 |
| 44 | 35 | Garfield, Mineral County, 1970-1979 |
| 44 | 36 | Geiger Grade, Virginia City, Storey and Washoe Counties, 1947-1979 |
| 44 | 37 | Geneva, Lander County, 1970-1979 |
| 44 | 38 | Genoa, Minden, Douglas County, 1970-1979 |
| 44 | 39 | Genoa Pony Express Station, Genoa, Douglas County, 1976-1979 |
| 44 | 40 | Genoa to Markleeville Telephone Line, Genoa, Douglas County, 1938-1979 |
| 44 | 41 | Genoa to Silver Mountain Stage Line (Pioneer), Genoa, Douglas County, 1938-1979 |
| 44 | 42 | Getchell Mine, Humboldt County, 1970-1979 |
| 44 | 43 | Gilbert, Esmeralda County, 1970-1979 |
| 44 | 44 | Glenbrook, Douglas County, 1962-1979 |
| 44 | 45 | Glendale, Sparks, Washoe County, 1970-1979 |
| 44 | 46 | Glendale Pony Truss Bridge, Glendale, Clark County, 1979 |
| Nevada, 1861-1979 and undated | ||
| 44 | 47 | Golconda, Humboldt County, 1970-1979 |
| 44 | 48 | Golconda and Adelaide Railroad, Golconda, Pershing County, 1979 |
| 44 | 49 | Gold Acres, Lander County, 1970-1979 |
| 44 | 50 | Gold Acres Incorporated Mill, Lander County, 1972-1979 |
| 44 | 51 | Gold Banks, Pershing County, 1970-1979 |
| 44 | 52 | Gold Butte, Clark County, 1970-1979 |
| 44 | 53 | Gold Center, Beatty, Nye County, 1970-1979 |
| 44 | 54 | Gold Center (Jamestown, Antelope, Springs, Mellon), Nye County, 1904-1979 |
| 44 | 55 | Gold Creek, Elko County, 1970-1979 |
| 44 | 56 | Goldfield, Esmeralda County, 1904-1979 |
| 44 | 57 | Goldfield Consolidated Milling Company Railroad, Goldfield, Esmeralda County, 1979 |
| 44 | 58 | Goldfield Consolidated Mining Company Mill, Esmeralda County, 1979 |
| 44 | 59 | Goldfield Mine Consolidated Mines Company Office Goldfield, Esmeralda County, 1979 |
| 44 | 60 | Goldfield-Lida Pipeline, Esmeralda County, 1979 |
| 44 | 61 | Goldfield Railroad, Tonopah, Goldfield, Esmeralda and Nye County, 1979 |
| 44 | 62 | Gold Hill, Storey County, 1970-1979 |
| 44 | 63 | Goldfield - Silver Peak Mining Company Mill, Esmeralda County, 1976-1979 |
| 44 | 64 | Gold Hitt, Esmeralda County, 1970-1979 |
| 44 | 65 | Gold Mountain (later Stateline), Esmeralda County, 1970-1979 |
| 44 | 66 | Gold Park, Lander County, 1970-1979 |
| 44 | 67 | Gold Point (earlier Hornsilver), Esmeralda County, 1970-1979 |
| 44 | 68 | Gold Reef, Tonopah, Esmeralda County, 1970-1979 |
| 44 | 69 | Gold Run (Adelaide), Humboldt County, 1970-1979 |
| 44 | 70 | Golden, Nye County, 1970-1979 |
| 44 | 71 | Golden Arrow, Nye County, 1970-1979 |
| 44 | 72 | Good Hope, Elko County, 1970-1979 |
| 44 | 73 | Golden Boulder Mill Pipeline (Dromedary), Churchill County, 1974-1979 |
| 44 | 74 | Goose Creek - Humboldt Emigrant Trail, Elko, Eureka, Lander, Pershing, and Storey Counties, 1975-1979 |
| 44 | 75 | Goodsprings, Clark County, 1970-1979 |
| 44 | 76 | Gordon - Brodie Mill, Esmeralda County, 1976-1979 |
| 44 | 77 | Gordon - Brodie Mill Pipeline, Esmeralda County, 1976-1979 |
| 44 | 78 | Government Railroad Bridge on the Mina Branchline, Churchill County, 1979 and undated |
| 44 | 79 | Grand Prize Mill, Tuscarora, Elko County, 1970-1979 |
| 44 | 80 | Grand Prize Mining Company Mill, Tuscarora, Elko County, 1970-1979 |
| 44 | 81 | Granite, Mineral County, 1970-1979 |
| 44 | 82 | Grant City, Nye County, 1970-1979 |
| 44 | 83 | Grantsville, Nye County, 1970-1979 |
| 44 | 84 | Great Salt Basin Mill (Silver Peak and Red Mountain Company), Esmeralda County, 1976-1979 |
| 44 | 85 | Gregorys Mill, Carson City, Carson City County, 1970-1979 |
| 44 | 86 | Grizzly Bear Mine Headframe, Goldfield, Esmeralda, 1979 |
| 44 | 87 | Grubbs Well, Eureka County, 1976-1979 |
| 44 | 88 | Guadalajaro (Santa Fe), Lander County, 1970-1979 |
| 44 | 89 | Fort Halleck and Halleck, Elko County,1970-1979 |
| 44 | 90 | Hamilton, White Pine County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 44 | 91 | Hamilton Stage Station, White Pine County, 1974-1979 |
| 44 | 92 | Hamilton Water Supply System, Hamilton, White Pine County, 1979 |
| 44 | 93 | Hannapah, Nye County, 1970-1979 |
| 44 | 94 | Hardin City, Humboldt County, 1970-1979 |
| 44 | 95 | Harrahs Automobile Collection, Reno, Washoe County, 1967-1979 |
| 44 | 96 | Haskell and Company Sawmill - Clear Creek, Carson City and Douglas Counties, 1947-1979 |
| 44 | 97 | Hawthorne, Mineral County, 1970-1979 |
| 44 | 98 | Hawthorne-Bodie Road, Mineral County, 1978-1979 |
| 44 | 99 | Hazen, Churchill County, 1970-1979 |
| 44 | 100 | Hazen Railroad Depot and Roundhouse, Hazen, Churchill County, 1979 |
| 44 | 101 | Hercules, Churchill County, 1970-1979 |
| 44 | 102 | High Line Road, Rochester, Pershing County, 1973-1979 |
| 44 | 103 | Highland, Lincoln County, 1970-1979 |
| 44 | 104 | Hiko, Lincoln County, 1970-1979 |
| 44 | 105 | Hiko Kiln, Lincoln County, 1975-1979 |
| 44 | 106 | Hiko Mill, Hiko, Lincoln County, 1975-1979 |
| 44 | 107 | Hiko Store and Saloon, Hiko, Lincoln County, 1975-1979 |
| 44 | 108 | Hill Beachy Road and Telegraph Line (Gilson Toll Road), Elko, Elko andWhite Pine Counties, 1907-1979 |
| 44 | 109 | Hill (Hill and Grimes), Churchill County, 1970-1979 |
| 44 | 110 | Hilltop (Kimberly, Marble City), Lander County, 1970-1979 |
| 44 | 111 | Hobbs, Russel, and Company Sawmill, Carson City County, 1947-1979 |
| 44 | 112 | Holladay Overland Route, Mineral, Nye, Eureka, Lander, andWhite Pine Counties, 1971-1979 |
| 44 | 113 | Honey Lake Smiths Station, Churchill County, 1970-1979 |
| 44 | 114 | Hooten Wells Pony Express Station, Lyon County, 1976-1979 |
| 44 | 115 | Hoover Dam and Lake Mead (Boulder Canyon Project), Boulder City,Clark County, 1936-1979 |
| 44 | 116 | Hoover Dam Power Plant, Boulder City, Clark County, 1979 |
| 44 | 117 | Hot Creek (Upper Town and Lower Town), Nye County, 1970-1979 |
| 44 | 118 | Hoyes Station, Douglas County, 1979 |
| 44 | 119 | Hudson, Lyon County, 1979 |
| 44 | 120 | Huffakers, Reno, Washoe County, 1970-1979 |
| 44 | 121 | Hughs Brothers Mill, Esmeralda County, 1976-1979 |
| 44 | 122 | Humboldt Canal (French Canal), Winnemuca, Humboldt County, 1979 |
| 44 | 123 | Humboldt City, Pershing County, 1970-1979 |
| 44 | 124 | Humboldt House, Pershing County, 1970-1979 |
| 44 | 125 | Hunter, White Pine County, 1970-1979 |
| 44 | 126 | Imlay, Pershing County, 1970-1979 |
| 44 | 127 | Incline, Washoe County, 1970-1979 |
| 44 | 128 | Independence Mill, Tuscarora, Elko County, 1970-1979 |
| 44 | 129 | Ione, Nye County, 1970-1979 |
| 44 | 130 | Ivada, Elko County, 1970-1979 |
| 44 | 131 | Jackass Express, Ormsby, Churchill, Pershing, Humboldt, and Elko Counties,1976-1979 |
| 44 | 132 | Jackrabbit, Lincoln County, 1970-1979 |
| 44 | 133 | Jack Wright Bridge, Grade, and Station, Lyon and Douglas Counties,1938-1979 |
| Nevada, 1861-1979 and undated | ||
| 44 | 134 | Jacobs Well, Pershing County, 1970-1979 |
| 44 | 135 | Jacobs Well, White Pine County, 1970-1979 |
| 44 | 136 | Jacobsville (Jacobs Spring), Lander County, 1970-1979 |
| 44 | 137 | James Wild Horse Trap, Nye County, 1974-1979 |
| 44 | 138 | Jamesons Station, Washoe County, 1979 |
| 44 | 139 | Jarbridge, Elko County, 1970-1979 |
| 44 | 140 | Jefferson, Nye County, 1970-1979 |
| 44 | 141 | Jersey City, Pershing County, 1970-1979 |
| 44 | 142 | Jessup, Churchill County, 1970-1979 |
| 44 | 143 | Jett, Nye County, 1970-1979 |
| 44 | 144 | Jett Canyon Water Line, Round Mountain, Nye County, 1979 |
| 44 | 145 | J. F. Millers Hotel Nevada, Las Vegas, Clark County, 1979 and undated |
| 44 | 146 | Jiggs (earlier Shelton), Elko County, 1970-1979 |
| 44 | 147 | Jim Butler Tonopah Mining Company, Tonopah, Nye County, 1953-1979 |
| 44 | 148 | Joe Ruth Mine and Mill, Marietta, Mineral County, 1978-1979 |
| 44 | 149 | Johnnie, Nye County, 1970-1979 |
| 44 | 150 | Johntown, Silver City, Lyon County, 1970-1979 |
| 44 | 151 | Jonesville (Upper Pyramid), Washoe County, 1979 |
| 44 | 152 | Joy, White Pine County, 1970-1979 |
| 44 | 153 | Jumbo, Washoe County, 1970-1979 |
| 44 | 154 | Jumbo (Awakening), Humboldt County, 1970-1979 |
| 44 | 155 | Junction City (later Rioville), Clark County, 1970-1979 |
| 44 | 156 | Junction House (Andersons), Reno, Washoe County, 1970-1979 |
| 44 | 157 | Jungo, Humboldt County, 1970-1979 |
| 44 | 158 | Kawich (or Gold Reed), Nye County, 1970-1979 |
| 44 | 159 | Kennedy, Pershing County, 1970-1979 |
| 44 | 160 | Kents Alfalfa Mill, Fallon, Churchill County, 1977-1979 |
| 44 | 161 | Kents Portable Alfalfa Mill, Fallon, Churchill County, 1977-1979 |
| 44 | 162 | Kingsbury Grade, Douglas County, 1938-1979 |
| 44 | 163 | Key West, Clark County, 1970-1979 |
| 44 | 164 | Kimberly, Ely, White Pine County, 1970-1979 |
| 44 | 165 | Kings Canyon Station, Carson City County, 1947-1979 |
| 44 | 166 | Kings Canyon Toll Road, Carson City and Douglas Counties, 1947-1979 |
| 44 | 167 | Kingsly, Elko County, 1970-1979 |
| 44 | 168 | Kingston, Churchill County, 1974-1979 |
| 44 | 169 | Kingston, Lander County, 1970-1979 |
| 44 | 170 | Kinkead Mill, Nye County, 1953-1979 and undated |
| 44 | 171 | Klondike (Southern Klondike), Esmeralda County, 1904-1979 |
| 44 | 172 | Laguna Mine Headframe, Goldfield, Esmeralda County, 1979 |
| 45 | 1 | Lahonton Dam, Reservoir, and Power Plant, Churchill County, 1913-1979 and undated |
| 45 | 2 | Lake Bigler Lumber Company Sawmill, Glenbrook, Douglas County, 1947-1979 |
| 45 | 3 | Lakes Crossing, Reno, Washoe County, 1970-1979 |
| 45 | 4 | Lake Street Bridge, Reno, Washoe County, 1977-1979 |
| 45 | 5 | Lakeview, Carson City, Carson City County, 1970-1979 |
| 45 | 6 | Lakeview House, Carson City, Carson City County, 1978-1979 |
| 45 | 7 | Lamoille Canyon Power Plant, Elko County, 1979 |
| Nevada, 1861-1979 and undated | ||
| 45 | 8 | Lamoille Road Bridge (Ninth Street Bridge), Elko, Elko County, 1969-1979 |
| 45 | 9 | Lancaster, Pershing County, 1970-1979 |
| 45 | 10 | Lander, Lander County, 1970-1979 |
| 45 | 11 | Lane City (Mineral City, Robinson Canyon), Ely, White Pine County, 1970-1979 |
| 45 | 12 | La Plata, Churchill County, 1970-1979 |
| 45 | 13 | Las Vegas and Tonopah Railroad, Las Vegas, Beatty, Rhyolite, and Goldfield in Clark, Nye and Esmeralda Counties, undated |
| 45 | 14 | Las Vegas Ice Plant, Las Vegas, Clark County, 1978-1979 |
| 45 | 15 | Las Vegas Land and Water Company Building, Las Vega, Clark County, 1975-1979 |
| 45 | 16 | Las Vegas Land and Water Company Pipeline, Las Vegas, Clark County, 1975-1979 |
| 45 | 17 | Las Vegas Mission, Clark County, 1970-1979 |
| 45 | 18 | Las Vegas Springs, Las Vegas, Clark County, 1978-1979 |
| 45 | 19 | La Trobe Tunnel, Virginia City, Storey County, 1972-1979 |
| 45 | 20 | Laurel (Ten Mile District), Humboldt County, 1970-1979 |
| 45 | 21 | Leadville, Washoe County, 1970-1979 |
| 45 | 22 | Ledlie, Lander County, 1970-1979 |
| 45 | 23 | Lee Canyon Sawmill, Clark County, 1979 |
| 45 | 24 | Leeland, Nye County, 1970-1979 |
| 45 | 25 | Lehman Orchard and Aqueduct, Baker, White Pine County, 1971-1979 |
| 45 | 26 | Lewis, Battle Mountain, Lander County, 1962-1979 |
| 45 | 27 | Lida, Esmeralda County, 1963-1979 |
| 45 | 28 | Lima (Williamsburg), Pershing County, 1970-1979 |
| 45 | 29 | Lincoln Highway Bridge, Washoe County, 1979 |
| 45 | 30 | Lincoln Highway - Nevada Portion, Carson City, Churchill, and Eureka Counties, 1923-1979 |
| 45 | 31 | Lincoln Hill Mines, Lower Rochester, Pershing County, 1973-1979 |
| 45 | 32 | Lodi (Later Marble), Nye County, 1979 |
| 45 | 33 | Logan City, Lincoln County, 19701-9179 |
| 45 | 34 | London Silver-Lead Mines Company Mill, Marietta, Mineral County, 1978-1979 |
| 45 | 35 | Lousetown, Storey County, 1970-1979 |
| 45 | 36 | Lovelock Depot, Pershing County, 1917-1979 |
| 45 | 37 | Lucky Boy, Mineral County, 1970-1979 |
| 45 | 38 | Ludwig, Lyon County, 1970-1979 |
| 45 | 39 | Ludwig Mine, Lyon County, 1979 |
| 45 | 40 | Luning, Mineral County, 1970-1979 |
| 45 | 41 | Lytton (Litton) Toll Bridge (Original 9th Street Bridge), Elko, Elko County, 1969-1979 |
| 45 | 42 | Magnolia House, Steamboat Springs, Washoe County, 1970-1979 |
| 45 | 43 | Mangum (Wingfield), Aurora, Mineral County, 1973-1979 |
| 45 | 44 | Manhattan, Nye County, 1970-1979 |
| 45 | 45 | Manhattan Gold Mining Dredge, Manhattan, Nye County, 1979 |
| 45 | 46 | Manhattan Stamp Mill, Manhattan, Nye County, 1979 |
| 45 | 47 | Manse Ranch and Youngs Sawmill, Nye County, 1970-1979 |
| 45 | 48 | Marietta, Mineral County, 1970-1979 |
| 45 | 49 | Marietta Telephone Line, Marietta, Mineral County, 1978-1979 |
| Nevada, 1861-1979 and undated | ||
| 45 | 50 | Marlett Lake Water System, Virginia City, Storey and Washoe County, 1875-1979 |
| 45 | 51 | Martins Mill, Silver Peak, Esmeralda County, 1976-1979 |
| 45 | 52 | Mary Mine Pipeline, Esmeralda County, 1976-1979 |
| 45 | 53 | Mason, Lyon County, 1970-1979 |
| 45 | 54 | Mazuma, Pershing County, 1970-1979 |
| 45 | 55 | Mazuma Hills Mill, Mazuma, Pershing County, 1977-1979 |
| 45 | 56 | Mazuma Light and Water Company Pipeline, Mazuma, Pershing County, 1977-1979 |
| 45 | 57 | McCarran Ranch Bridge (Patrick Ranch Road Bridge), Washoe County, 1979 |
| 45 | 58 | McCoy, Lander County, 1970-1979 |
| 45 | 59 | McGill, White Pine County, 1962-1970 |
| 45 | 60 | McGill Smelter, McGill, White Pine County, 1970-1979 |
| 45 | 61 | McIntyre Charcoal Kilns, Nye County, 1979 |
| 45 | 62 | Meadow Valley Wash Cantilever Bridge, Lincoln County, 1978-1979 |
| 45 | 63 | Meadow Wash Truss Bridge, Union Pacific Railroad, Caliente, Lincoln County, 1979 |
| 45 | 64 | Merger Mine Headframe, Goldfield, Esmeralda County, 1979 |
| 45 | 65 | Metallic City (Pickhandle Gulch), Mineral County, 1970-1979 |
| 45 | 66 | The Meteor - Carson and Tahoe Lumber and Fluming Company, Glenbrook, Douglas County, 1947-1979 |
| 45 | 67 | Metropolis, Elko County, 1966-1970 |
| 45 | 68 | Micca House Ice Plant, Paradise Valley, Humboldt County, 1970-1979 |
| 45 | 69 | Midway Mill, Tonopah, Nye County, 1953-1979 and undated |
| 45 | 70 | Midas (Gold Circle), Elko County, 1970-1979 |
| 45 | 71 | Mill Canyon, Eureka County, 1970-1979 |
| 45 | 72 | Mill City, Pershing County, 1970-1979 |
| 45 | 73 | Mill Station, Washoe County, 1970-1979 |
| 45 | 74 | Millett, Nye County, 1970-1979 |
| 45 | 75 | Mina, Mineral County, 1970-1979 |
| 45 | 76 | Millers (earlier Desert Wells), Esmeralda County, 1970-1979 |
| 45 | 77 | Mineral County, Power System - Candelaria to Mina Line, Calendaria, Mineral County, 1978-1979 |
| 45 | 78 | Mineral Hill, Eureka County, 1970-1979 |
| 45 | 79 | Minerva, White Pine County, 1970-1979 |
| 45 | 80 | Mint Tunnel, Virginia City, Storey County, 1972-1979 |
| 45 | 81 | Mizpah Mine - Tonopah Mining Company, Tonopah, Nye County, 1903-1979 and undated |
| 45 | 82 | Mogul Bridge, Mogul, Washoe County, 1979 |
| 45 | 83 | Mohawk-Alpine Mill, Silver Peak, Esmeralda County, 1976-1979 |
| 45 | 84 | Monitor Sawmill, Glenbrook, Douglas County, 1947-1979 |
| 45 | 85 | Montana-Tonopah Company Mill, Tonopah, Nye County,1953-1979 and undated |
| 45 | 86 | Montana-Tonopah Mine, Tonopah, Nye County, 1953-1979 and undated |
| 45 | 87 | Monte Cristo, White Pine County, 1970-1979 |
| 45 | 88 | Montello, Elko County, 1970-1979 |
| 45 | 89 | Montezuma, Esmeralda County, 1970-1979 |
| 45 | 90 | Montezuma, Lincoln County, 1970-1979 |
| 45 | 91 | Montezuma Lime Kilns, Esmeralda County, 1979 |
| Nevada, 1861-1979 and undated | ||
| 45 | 92 | Montezuma Mill and Smelter, Oreana, Pershing County, 1973-1979 |
| 45 | 93 | Montezuma Mine, Arabia, Pershing County, 1970-1979 |
| 45 | 94 | Mormon Station Sawmill, Genoa, Douglas County, 1947-1979 |
| 45 | 95 | Mormon Well Corral, Clark County, 1974-1979 |
| 45 | 96 | Mound House, Dayton, Lyon County, 1970-1979 |
| 45 | 97 | Mount Airy, Lander County, 1970-1979 |
| 45 | 98 | Mount Diablo Mine, Mineral County, 1979 |
| 45 | 99 | Mount Diablo Mine, Candelaria, Mineral County, 1978-1979 |
| 45 | 100 | Mountain City (Cope), Elko County, 1970-1979 |
| 45 | 101 | Mountain House (Burnt Cabin), Douglas County, 1970-1979 |
| 45 | 102 | Mountain Springs, White Pine County, 1976-1979 |
| 45 | 103 | Mountain View, Mineral County, 1970-1979 |
| 45 | 104 | Moores Station, Nye County, 1970-1979 |
| 45 | 105 | Morey, Nye County, 1970-1979 |
| 45 | 106 | Muddy River Bridge, Glendale Interchange, Clark County, 1978-1979 |
| 45 | 107 | Muncy, White Pine County, 1970-1979 |
| 45 | 108 | Myron C. Lake Bridge, Reno, Washoe County, 1977-1979 |
| 45 | 109 | National, Humboldt County, 1970-1979 |
| 45 | 110 | National Ore Purchasing and Reduction Company Pipeline, Rawhide,Mineral County, 1974-1979 |
| 45 | 111 | Nellis Air Force Base, Las Vegas, Clark, Lincoln, and Nye Counties,1971-1979 |
| 45 | 112 | Navajo Mining Company Mine, Tuscarora, Elko County, 1970-1971 |
| 45 | 113 | Naval Ammunition Depot, Hawthorne, Mineral County, 1979 |
| 45 | 114 | Nenzel Hill Mines, Rochester, Pershing County, 1973-1979 |
| 45 | 115 | Nenzel Pipeline, (East) Rochester, Pershing County, 1973-1979 |
| 45 | 116 | Nevada and California Railway Shops engine House, Mina, Mineral County,1979 |
| 45 | 117 | Nevada - California - Oregon Railroad, Washoe County, 1962-1979 |
| 45 | 118 | Nevada - California - Oregon Railroad Depot (Sierra Wine and Liquor), Reno,Washoe County, 1977-1979 |
| 45 | 119 | Nevada - California Power Company Substation, Manhattan, Nye County,1979 |
| 45 | 120 | Nevada - California Power Company Substation, Silver Peak,Esmeralda County, 1976-1979 |
| 45 | 121 | Nevada - California Power Substation, Tonopah, Nye County, 1976-1979 |
| 45 | 122 | Nevada - California Power Substation, Weepah, Esmeralda County, 1975-1979 |
| 45 | 123 | Nevada - California Telegraph Company - Aurora to Candelaria Line,1938-1979 |
| 45 | 124 | Nevada - California Telegraph Company - Genoa to Bodie Line, Genoa, Douglas County, 1938-1979 |
| 45 | 125 | Central Railway, Battle Mountain, Lander County, 1963-1979 |
| 45 | 126 | Nevada Copper Belt Railroad, Wabuska, Lyon County, 1979 |
| 45 | 127 | Nevada Copper Belt Railroad Engine House, Mason, Lyon County, 1979 |
| 45 | 128 | Nevada Hills, Churchill County, 1974-1979 |
| 45 | 129 | Nevada Hills Mill Pipeline, Churchill County, 1974-1979 |
| 45 | 130 | Nevada Hills Mine and Mill, Fairview, Churchill County, 1974-1979 |
| 45 | 131 | Nevada Interurban Electric Streetcar Line, Reno and Moana Springs,Washoe County, 1963-1979 |
| Nevada, 1861-1979 and undated | ||
| 45 | 132 | Nevada Mill and Electric Generation System (Chollar Mill), Virginia City,Storey County, 1972-1979 |
| 45 | 133 | Nevada Northern Depot, Shops, and Yards, Ely, White Pine County, 1979 |
| 45 | 134 | Nevada Northern “Hiline” Double-Tracked Trestle, Ely, White Pine County,1979 |
| 45 | 135 | Nevada Northern Railway, Ely, White Pine and Elko County, 1963-1979 |
| 45 | 136 | Nevada Northern Railway Curved Tunnel, White Pine County, 1979 |
| 45 | 137 | Nevada Packard Mines Company Pipeline, Packard, Pershing County,1973-1979 |
| 45 | 138 | Nevada Proving Grounds, Las Vegas, Clark, Nye, and Lincoln Counties,1978-1979 |
| 46 | 1 | Nevada Railroad, Olinghouse, Washoe County, 1962-1979 |
| 46 | 2 | Nevada Short Line Railway, Rochester, Pershing County, 1962-1979 |
| 46 | 3 | Nevada Short Line Surface Tramway, Rochester, Pershing County, 1973-1979 |
| 46 | 4 | Nevada Sugar Company, Fallon, Churchill County, 1977-1979 |
| 46 | 5 | Nevada Wonder Company Mill Pipeline, Churchill County, 1974-1979 |
| 46 | 6 | Nevada Wonder Mill, Churchill County, 1970-1979 |
| 46 | 7 | Nevada Wonder Mine Shaft, Churchill County, 1974-1979 |
| 46 | 8 | Newlands Reclamation Project, Storey, Churchill, and Lyon County, 1979 |
| 46 | 9 | New Pass, Lander County, 1970-1979 |
| 46 | 10 | New Pass Station, Churchill County, 1970-1979 |
| 46 | 11 | Newark, White Pine County, 1970-1979 |
| 46 | 12 | New Reveille, Nye County, 1979 |
| 46 | 13 | New York and Silver Peak Mining Company Mill (Catherwoods),Silver Peak, Esmeralda County, 1976-1979 |
| 46 | 14 | Nightingale, Pershing County, 1970-1979 |
| 46 | 15 | Ninth Street Bridge Number 2, Elko, Elko County, 1969-1979 |
| 46 | 16 | Nivloc, Esmeralda County, 1970-1979 |
| 46 | 17 | Nivloc Dam and Pipeline, Esmeralda County, 1976-1979 |
| 46 | 18 | Nordyke, Lyon County, 1970-1979 |
| 46 | 19 | North Fork, Elko County, 1970-1979 |
| 46 | 20 | Northern Belle Lower Mill, Belleville, Mineral County, 1978-1979 |
| 46 | 21 | Northern Belle Mine, Candelaria, Mineral County, 1978-1979 |
| 46 | 22 | Northern Belle Upper Mill, Belleville, Mineral County, 1978-1979 |
| 46 | 23 | Northumberland, Nye County, 1970-1979 |
| 46 | 24 | Ogden Street Derrick, Las Vegas, Clark County, 1978-1979 |
| 46 | 25 | Old Battle Mountain, Lander County, 1970-1979 |
| 46 | 26 | Oling House, Wadsworth, Washoe County, 1962-1979 |
| 46 | 27 | Omco, Mineral County, 1970-1979 |
| 46 | 28 | Ophir, Washoe County, 1970-1979 |
| 46 | 29 | Ophir Canyon (earlier Toiyabe City), Nye County, 1868-1979 |
| 46 | 30 | Ophir Grade, Storey and Washoe Counties, 1947-1979 |
| 46 | 31 | Ophir Mine, Virginia City, Storey County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 46 | 32 | Ophir Mining Company Mill and Causeway, Ophir, Washoe County, 1947-1979 |
| 46 | 33 | Oreana, Woolsey, Pershing County, 1970-1979 |
| 46 | 34 | Oreana Dam, Lincoln County, 1963-1979 |
| 46 | 35 | Oreana Station, Oreana, Pershing County, 1970-1979 |
| 46 | 36 | Oregon Short Line (Idaho Central), Ivadova, Elko County, 1962-1979 |
| 46 | 37 | Oriental (later Old Camp), Esmeralda County, 1970-1979 |
| 46 | 38 | Oro City, Mineral County, 1970-1979 |
| 46 | 39 | Osceola, White Pine County, 1976-1979 and undated |
| 46 | 40 | Osceola Ditch, Osceola, White Pine County, 1979 |
| 46 | 41 | Owyhee River Bridge, Patsville, Elko County, 1979 |
| 46 | 42 | Overland Telegraph Line 1861-1869, White Pine, Eureka, Lander, Churchill, and Lyon Counties, 1938-1979 |
| 46 | 43 | Overland Telegraph Line 1869-1904, Elko, Lander, Humboldt, Storey, and Washoe Counties, 1979 |
| 46 | 44 | Overland Telegraph Line 1904-Present, Elko, Lander, Humboldt, Storey, and Washoe Counties, 1979 |
| 46 | 45 | Pacific Fruit Express Icing Station, Carlin, Elko County, 1978-1979 |
| 46 | 46 | Pacific Power Company Jordan-Wonder Power Line, Wonder,Churchill County, 1970-1979 |
| 46 | 47 | Pacific Wood, Lumber and Fluming Company, Washoe County, 1947-1979 |
| 46 | 48 | Pacific Wood, Lumber and Fluming Company Flume, Washoe County, 1947-1979 |
| 46 | 49 | Packard, Pershing County, 1970-1979 |
| 46 | 50 | Packard Mine and Mill, Pershing County, 1973-1979 |
| 46 | 51 | Pactolus, Gabbs, Nye County, 1970-1979 |
| 46 | 52 | Palisade, Eureka County, 1970-1979 |
| 46 | 53 | Palmetto, Esmeralda Company, 1970-1979 |
| 46 | 54 | Pamlico, Mineral County, 1970-1979 |
| 46 | 55 | Panama, Pershing County, 1970-1979 |
| 46 | 56 | Paradise Valley, Humboldt County, 1979 |
| 46 | 57 | Park Canyon, Nye County, 1970-1979 |
| 46 | 58 | Patsville, Elko County, 1979 |
| 46 | 59 | Pavlak Mill, Jarbridge, Elko County, 1978-1979 |
| 46 | 60 | Peavine (Poe City), Washoe County, 1970-1979 |
| 46 | 61 | Pete West Waterwheel, Glendale, Clark County, 1969-1979 |
| 46 | 62 | Phillipsburg, Esmeralda County, 1970-1979 |
| 46 | 63 | Phonolite - Duluth, Nye County, 1970-1979 |
| 46 | 64 | Picotillo, White Pine County, 1970-1979 |
| 46 | 65 | Piermont, White Pine County, 1970-1979 |
| 46 | 66 | Pigeon Spring, Esmeralda County, 1970-1979 |
| 46 | 67 | Pile Driver, Nye County, 1979 |
| 46 | 68 | Princess Mill, Candelaria, Mineral County, 1979 |
| 46 | 69 | Pine Creek, Nye County, 1970-1979 |
| 46 | 70 | Pine Grove (Wilsonville), Lyon County, 1970-1979 |
| 46 | 71 | Pinto (Silverado), White Pine County, 1970-1979 |
| 46 | 72 | Pioche, Clark County, 1877-1979 an undated |
| 46 | 73 | Pioche and Bullionville Railroad (Nevada Central Railroad), Pioche, Panaca, Lincoln County, 1962-1979 |
| Nevada, 1861-1979 and undated | ||
| 46 | 74 | Pioche-Hamilton Stage Line, Lincoln, White Pine Counties, 1979 |
| 46 | 75 | Pioche Pacific Transportation Company Railroad, Pioche, Lincoln County, 1962-1979 |
| 46 | 76 | Pioneer, Nye County, 1970-1979 |
| 46 | 77 | Pioneer Mill, Lyon County, 1970-1979 |
| 46 | 78 | Pitt Tunnel (Merger Tunnel), Rochester, Pershing County, 1973-1979 |
| 46 | 79 | Pittsburg, Lander County, 1970-1979 |
| 46 | 80 | Pittsburg-Silver Peak Gold Mining Company Mill, Esmeralda County, 1979 |
| 46 | 81 | Pittsburg Silver Peak Gold Mine Tram System, Esmeralda County, 1976-1979 |
| 46 | 82 | Placerites (Placeritos), Pershing County, 1970-1979 |
| 46 | 83 | Placerville and Humboldt Telegraph Company, Virginia City, Washoe, and Storey Counties, 1979 |
| 46 | 84 | Platina, Clark County, 1970-1979 |
| 46 | 85 | Pogues Station, White Pine County, 1970-1979 |
| 46 | 86 | Pony Express/Overland Mail Route, White Pine, Eureka, Lander, Churchill, and Lyon Counties, 1938-1979 |
| 46 | 87 | Potomac, Nye County, 1979 |
| 46 | 88 | Potosi, Clark County, 1968-1979 |
| 46 | 89 | Preston Mill, Mazuma, Pershing County, 1977-1979 |
| 46 | 90 | Prices Lake, Flume, and Ice House, Washoe County, 1979 |
| 46 | 91 | Prince Consolidated Railroad, Pioche, Lincoln County, 1963-1979 |
| 46 | 92 | Prince Royal, Pershing County, 1970-1979 |
| 46 | 93 | The “Princess” Mill, Mineral County, 1978-1979 |
| 46 | 94 | Prospect, Eureka County, 1970-1979 |
| 46 | 95 | Pyramid City, (Lower Pyramid), Washoe County, 1970-1979 |
| 46 | 96 | Queen City, Paradise Valley, Humboldt County, 1970-1979 |
| 46 | 97 | Quartette Mining Company Railroad, Searchlight, Clark County, 1963-1979 |
| 46 | 98 | Quartz Mountain, Nye County, 1970-1979 |
| 46 | 99 | R and K Mill, Silver Peak, Esmeralda County, 1976-1979 |
| 46 | 100 | Rabbithole Springs, Pershing County, 1970-1979 |
| 46 | 101 | Ragtown (Leeteville), Churchill County, 1970-1979 |
| 46 | 102 | Ranier Brewing Company, (Ice House Antiques), Reno, Washoe County,1924-1979 |
| 46 | 103 | Ramsey, Lyon County, 1970-1979 |
| 46 | 104 | Rawhide, Mineral County, 1908-1979 |
| 46 | 105 | Rawhide Water and Reduction Company Waterworks, Rawhide,Mineral County, 1970-1979 |
| 46 | 106 | Ray, Nye County, 1970-1979 |
| 46 | 107 | Rebel Creek, Humboldt County, 1970-1979 |
| 46 | 108 | Red Butte, Humboldt County, 1970-1979 |
| 46 | 109 | Reeds Station, Lyon County, 1970-1976 |
| 46 | 110 | Reese River Station, Lander County, 1976-1979 |
| 46 | 111 | Reipetown (Riepetown), Ely, White Pine County, 1970-1979 |
| 46 | 112 | Reno Brewing Company Bottling Plant, Reno, Washoe County,1979 and undated |
| 46 | 113 | Reno Brewing Company Brewery, Reno, Washoe County, 1904-1979 |
| 46 | 114 | Reno Electric Light and Power Company Reno Dam and Flume, Reno,Washoe County, 1979 |
| Nevada, 1861-1979 and undated | ||
| 46 | 115 | Reno Electric Light and Power Company Reno Powerhouse, Reno,Washoe County, 1979 |
| 46 | 116 | Reno Mill and lumber Company, Reno, Washoe County, 1891-1979 |
| 46 | 117 | Reno Power, Light, and Water Company Bridge, Reno, Washoe County,1977-1979 |
| 46 | 118 | Reno Press Brick Company, Reno, Washoe County, 1912-1978 |
| 46 | 119 | Reno Traction Streetcar Company Lines, Reno and Sparks, Washoe County,1963-1979 |
| 46 | 120 | Reveille, Nye County, 1970-1979 |
| 46 | 121 | Rhode Island Mill, Storey County, 1979 |
| 46 | 122 | Rhodes, Mineral County, 1976-1979 |
| 46 | 123 | Rhyolite, Beatty, Nye County, 1903-1979 |
| 46 | 124 | Rio Tinto, Elko County, 1970-1979 |
| 46 | 125 | Rissue Road and Bridge, Douglas and Lyon Counties, 1938-1979 |
| 46 | 126 | Riverside Mill Company Flourmill, Reno, Washoe County, 1891-1979 |
| 46 | 127 | Roberts Creek, Eureka County, 1976-1979 |
| 46 | 128 | Rochester and Lower Rochester, Pershing County, 1962-1979 |
| 46 | 129 | Rochester Combined Mine and Mill, Packard, Pershing County, 1973-1979 |
| 46 | 130 | Rochester Combined Mines Company Mill Pipeline, Packard,Pershing County, 1973-1979 |
| 46 | 131 | (Lower) Rochester Mill, (Lower) Rochester, Pershing County, 1973-1979 |
| 46 | 132 | (Lower) Rochester Waterworks, (Lower) Rochester, Pershing Company,1973-1979 |
| 46 | 133 | Rochester Mines Company Aerial Tramway, (Lower) Rochester,Pershing County, 1973-1979 |
| 46 | 134 | Rochester Mines Company Mill, Lower Rochester, Pershing County,1973-1979 |
| 46 | 135 | Rochester Mines Company Pipeline, (Lower) Rochester, Pershing County,1973-1979 |
| 46 | 136 | Rock Creek Stage and Telegraph Stations, Churchill County, 1978-1979 |
| 46 | 137 | Rockland, Lyon County, 1970-1979 |
| 46 | 138 | Rock Point Mill, Dayton, Lyon County, 1970-1979 |
| 46 | 139 | Rosebud, Pershing County, 1970-1979 |
| 46 | 140 | Roses Well, Nye County, 19701-1979 |
| 46 | 141 | Round Mountain, Nye County, 1970-1979 and undated |
| 46 | 142 | Rowland, Elko County, 1970-1979 |
| 46 | 143 | Royston, Nye County, 1970-1979 |
| 46 | 144 | Ruby City Canal, Elko County, 1970-1979 |
| 46 | 145 | Ruby Hill, Eureka, Eureka County, 1970-1979 |
| 46 | 146 | Ruby Hill (Rubyville), White Pine County, 1970-1979 |
| 46 | 147 | Ruby Valley Pony Express Station, Elko, Elko County, 1975-1979 |
| 46 | 148 | Ruth, Ely, White Pine County, 1970-1979 |
| 46 | 149 | Rye Patch, Pershing County, 1970-1979 |
| 46 | 150 | Rye Patch Dam and Reservoir (Humboldt Project), Pershing County, 1979and undated |
| 46 | 151 | Safford, Eureka County, 1970-1979 |
| 46 | 152 | Salt Wells (Pertersons), Churchill County, 1970-1979 |
| 46 | 153 | San Antonio, Nye County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 47 | 1 | Sand Springs, Churchill County, 1970-1979 |
| 47 | 2 | Sand Springs Company Salt Works, Churchill County, 1970-1979 and undated |
| 47 | 3 | Sandy, Clark County, 1970-1979 |
| 47 | 4 | San Juan, Nye County, 1970-1979 |
| 47 | 5 | San Pedro, Los Angeles, and Salt Lake Railroad, Las Vegas and Moapa in Clark and Lincoln Counties, 1963-1979 |
| 47 | 6 | San Pedro, Los Angeles, and Salt Lake Railroad Pipeline, 1975-1979 |
| 47 | 7 | San Pedro, Los Angeles, and Salt Lake (Union Pacific) Railroad Yards, Las Vegas, Clark County, 1971-1979 |
| 47 | 8 | Santa Clara, Pershing County, 1970-1979 |
| 47 | 9 | Scossa, Pershing County, 1970-1979 |
| 47 | 10 | Schellbourne, White Pine County, 1970-1979 |
| 47 | 11 | Searchlight, Clark County, 1963-1979 |
| 47 | 12 | Searchlight Ferry, Searchlight, Clark County, 1979 and undated |
| 47 | 13 | Second Street Bridge (Scott Street Bridge), Reno, Washoe County, 1977-1979 |
| 47 | 14 | Second Street Underpass, Reno, Washoe County, 1979 and undated |
| 47 | 15 | Sedan Crater, Nye County, 1979 |
| 47 | 16 | Seligman, White Pine County, 1970-1979 |
| 47 | 17 | Seven Troughs, Pershing County, 1970-1979 |
| 47 | 18 | Seven Troughs Kindergarten Mill, Seven Troughs, Pershing County, 1977-1979 |
| 47 | 19 | Seven Troughs Springs Pipeline, Seven Troughs, Pershing County, 1977-1979 |
| 47 | 20 | Shady Run, Churchill County, 1970-1979 |
| 47 | 21 | Shafter, Elko County, 1970-1979 |
| 47 | 22 | Shenandoah, Clark County, 1979 |
| 47 | 23 | Shenandoah Mill, Goodsprings, Clark County, 1979 |
| 47 | 24 | Shepherds Station, Elko County, 1970-1979 |
| 47 | 25 | Shermantown, White Pine County, 1970-1979 |
| 47 | 26 | Siegel (earlier Centerville), White Pine County, 1970-1979 |
| 47 | 27 | Sierra Nevada Wood and Lumber Company Flume, Lakeview,Washoe County, 1947-1979 and undated |
| 47 | 28 | Sierra Nevada Wood and Lumber Company Incline Railway, Washoe County, 1947-1979 |
| 47 | 29 | Sierra Nevada Wood and Lumber Company Railroad, Washoe County, 1963-1979 |
| 47 | 30 | Sierra Pacific Power Company Donner Summit-Reno Line, Washoe County, 1979 |
| 47 | 31 | Sierra Pacific Power Company Tracy Power Station, Washoe County, 1979 |
| 47 | 32 | Sierra Pacific Power Company - Truckee River System, Washoe County, 1899-1979 and undated |
| 47 | 33 | Sierra Street Bridge, Reno, Washoe County, 1977-1979 and undated |
| 47 | 34 | Silverbow, Nye County, 1970-1979 |
| 47 | 35 | Silver City, Dayton, Lyon County, 1970-1979 |
| 47 | 36 | Silver Dyke, Mineral County, 1978-1979 |
| 47 | 37 | Silver Hill, Churchill County, 1970-1979 |
| 47 | 38 | Silver Peak (Silverpeak), Esmeralda County, 1970-1979 |
| 47 | 39 | Silver Peak Railroad, Esmeralda County, 1962-1979 |
| 47 | 40 | Silver State Flour Mill, Humboldt County, 1976-1979 |
| 47 | 41 | Silverhorn, Lincoln County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 47 | 42 | Silver Top Mine - Tonopah Mining Company, Tonopah, Nye County, 1953-1979 and undated |
| 47 | 43 | Simon, Mineral County, 1970-1979 |
| 47 | 44 | Simpson Park, Lander County, 1970-1979 |
| 47 | 45 | Simpson Park Station, 1976-1979 |
| 47 | 46 | Six Companies Incorporated, Clark County, 1963-1979 |
| 47 | 47 | Six Mile Canyon (Flowery), Storey County, 1970-1979 |
| 47 | 48 | Six Mile Canyon Road, Lyon and Storey Counties, 1947-1979 |
| 47 | 49 | Skookum and Gweenah, Lander County, 1970-1979 |
| 47 | 50 | Smith Creek Station, Lander County, 1976-1979 |
| 47 | 51 | Smiths Station, Nye County, 1970-1979 |
| 47 | 52 | Soda Lake Soda Works, Churchill County, 1979 |
| 47 | 53 | Sodaville, Soda Springs, Mineral County, 1970-1978 |
| 47 | 54 | Sodaville-Tonopah Road, Sodaville, Mineral and Esmeralda Counties, 1978-1979 |
| 47 | 55 | Sod House, Humboldt County, 1970-1979 |
| 47 | 56 | Southern Pacific Railroad Bridge Across Government Canal,Churchill County, 1979 |
| 47 | 57 | Southern Pacific Railroad Humboldt River Crossing Number 6, Eureka County, 1979 and undated |
| 47 | 58 | Southern Pacific Railroad Humboldt River Crossing Number 8, Eureka County, 1979 and undated |
| 47 | 59 | Southern Pacific Railroad Humboldt River Crossing Number 14, Eureka County, 1979 and undated |
| 47 | 60 | Southern Pacific Railroad Humboldt River Crossing Number 15, Eureka County, 1979 |
| 47 | 61 | Southern Pacific Railroad Humboldt River Crossing Number 16, Palisade, Eureka County, 1979 and undated |
| 47 | 62 | Southern Pacific Railroad Humboldt River Crossing Number 24, 1979 and undated |
| 47 | 63 | Southern Pacific Railroad Humboldt River Crossing Number 25, Elko County, 1979 and undated |
| 47 | 64 | Southern Pacific Railroad Humboldt River Crossing Number 27, Elko County, 1979 and undated |
| 47 | 65 | Southern Pacific Railroad Humboldt River Crossing Number 28, Elko County, 1979 and undated |
| 47 | 66 | Southern Pacific Shops, Carlin, Elko County, 1979 and undated |
| 47 | 67 | Southern Pacific Railroad Shops, Sparks, Washoe County,1925-1979 and undated |
| 47 | 68 | Southern Pacific Railroad Truckee River Crossing Number 3 West, Washoe County, 1979 and undated |
| 47 | 69 | Southern Pacific Railroad Truckee River Crossing number 4 East, Washoe County, 1791 and undated |
| 47 | 70 | Southern Pacific Railroad Truckee River Crossing Number 4 West, Washoe County, 1979 and undated |
| 47 | 71 | Southern Pacific Railroad Truckee River Crossing Number 5, 1979 and undated |
| 47 | 72 | Southern Pacific Railroad Truckee River Crossing Number 6, 1979 and undated |
| Nevada, 1861-1979 and undated | ||
| 47 | 73 | Southern Pacific Railroad Truckee River Crossing Number 7, Eureka County, 1979 and undated |
| 47 | 74 | Southern Pacific Tunnel Number 1 on the Ogden Route, Eureka County, 1979 |
| 47 | 75 | Southern Pacific Tunnel Number 2 on the Ogden Route, Elko County, 1979 |
| 47 | 76 | Southern Pacific Tunnel Number 3 on the Ogden Route, 1979 |
| 47 | 77 | Southern Pacific Tunnel Number 4 on the Ogden Route, Elko County, 1979 |
| 47 | 78 | Southern Pacific Railroad Waterstand, Montello, Elko County, 1979 |
| 47 | 79 | Spanish Spring, Nye County, 1970-1979 |
| 47 | 80 | Spanish Trail, Las Vegas, Clark County, 1975 |
| 47 | 81 | Spring City (Siskron), Humboldt County, 1970-1979 |
| 47 | 82 | Springdale, Nye County, 1970-1979 |
| 47 | 83 | Spring Valley, White Pine County, 1976-1979 |
| 47 | 84 | Spring Valley (Fitting), Pershing County, 1970-1979 |
| 47 | 85 | Sprucemont (Spruce Mount), Elko County, 1970-1979 |
| 47 | 86 | St. Clair, Fallon, Churchill County, 1970-1979 |
| 47 | 87 | St. Clair Toll Bridge, St. Clair, Churchill County, 1977-1979 |
| 47 | 88 | Stead Air Force Base, Reno, Washoe County, 1979 |
| 47 | 89 | St. Joseph Irrigation Canal, Clark County, 1970-1979 |
| 47 | 90 | St. Marys, Pershing County, 1970-1979 |
| 47 | 91 | Star City, Pershing County, 1873-1979 |
| 47 | 92 | Stateline Mine and Mill, Esmeralda County, 1979 |
| 47 | 93 | Steamboat Springs, Washoe County, 1876-1979 |
| 47 | 94 | Steptoe City Ragdump, Smelterville, McGill, White Pine County, 1970-1979 |
| 47 | 95 | Stillwater, Churchill County, 1970-1979 |
| 47 | 96 | Stillwater Bridge, Stillwater, Churchill County, 1977-1979 |
| 47 | 97 | Stine Pump Station, Stine, Lincoln County, 1979 |
| 47 | 98 | Stirlina, Nye County, 1970-1979 |
| 47 | 99 | Stone House Station, Valmy, Humboldt County, 1979 and undated |
| 47 | 100 | Stonewall, Nye County, 1970-1979 |
| 47 | 101 | Sulphur, Humboldt County, 1970-1979 |
| 47 | 102 | Sulfur, Lyon County, 1979 |
| 47 | 103 | Sulphur Springs, Eureka County, 1976-1979 |
| 47 | 104 | Summit Camp, Douglas County, 1970-1979 |
| 47 | 105 | Summit Station or Halfway House, Dayton, Lyon County, 1970-1979 |
| 47 | 106 | Summit Tunnel, Glenbrook, Washoe County, 1979 |
| 47 | 107 | Sunrise Water Tower, Las Vegas, Clark County, 1979 |
| 47 | 108 | Sunset, Clark County, 1970-1979 |
| 47 | 109 | Sutro, Dayton, Lyon County, 1970-1979 |
| 47 | 110 | Sutro Tunnel, Sutro, Lyon County, 1877-1979 |
| 47 | 111 | Sutro Tunnel-“The Line”, Lyon and Storey Counties, 1972-1979 |
| 47 | 112 | Swansea, White Pine County, 1970-1979 |
| 47 | 113 | Sweet Apple and Hazeltine Mill, Columbus, Esmeralda County, 1978-1979 |
| 47 | 114 | Sweetwater (Wahappa), Lyon County, 1970-1979 |
| 47 | 115 | Swifts Station, Carson City County, 1970-1979 |
| 47 | 116 | Sylvania, Esmeralda County, 1970-1979 |
| 47 | 117 | Talapoosa, Silver Springs, Lyon County, 1970-1979 |
| 47 | 118 | Tamberlane, White Pine County, 1971-1979 |
| 47 | 119 | Tarreyton, Pershing County, 1979 |
| 47 | 120 | Taylor, White Pine County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 47 | 121 | T Canal, Churchill County, 1979 |
| 47 | 122 | Techatticup Mill, Nelson, Clark County, 1976-1979 |
| 47 | 123 | Tecoma, Elko County, 1970-1979 |
| 47 | 124 | Teels Marsh, Marietta, Mineral County, 1976-1979 |
| 47 | 125 | Teels Marsh Borax Company, Mineral County, 1975-1979 |
| 47 | 126 | Teels Marsh Borax Mines, Mineral County, 1978-1979 |
| 47 | 127 | Teels Marsh Stage Station (Hickman Station), Marietta, Mineral County,1978-1979 |
| 47 | 128 | Tempiute, Lincoln County, 1970-1979 |
| 47 | 129 | Tenabo - Mill Gulch, Lander County, 1970-1979 |
| 47 | 130 | The Divide, Divide, Storey County, 1970-1979 |
| 47 | 131 | Thompson, Lyon County, 1970-1979 |
| 47 | 132 | Thompson and Treadwill Sawmill, Carson City County, 1947-1979 |
| 47 | 133 | Thorne, Mineral County, 1970-1979 |
| 47 | 134 | Toano (Toana), Elko County, 1970-1979 |
| 47 | 135 | Tobar (Clover City), Elko County, 1970-1979 |
| 47 | 136 | Tokop, Esmeralda County, 1970-1979 |
| 47 | 137 | Tonopah, Nye County, 1903-1979 |
| 47 | 138 | Tonopah Army Airfield, Nye County, 1979 |
| 47 | 139 | Tonopah and Goldfield Railroad, Tonopah and Goldfield in Esmeralda and Nye Counties, 1962-1979 |
| 47 | 140 | Tonopah and Goldfield Railroad Shops, Goldfield, Esmeralda County, 1979 |
| 48 | 1 | Tonopah and Tidewater Railroad, Beatty, Gold Center, Nye County, 1963-1979 |
| 48 | 2 | Tonopah-Belmont Mill, Tonopah, Nye County, 1953-1979 |
| 48 | 3 | Tonopah-Belmont Mill, Millers, Esmeralda County, 1953-1979 |
| 48 | 4 | Tonopah Extension Company Mill, Tonopah, Nye County,1953-1979 and undated |
| 48 | 5 | Tonopah Extension Company Powerhouse Number 1, Tonopah, Nye County, 1953-1979 |
| 48 | 6 | Tonopah Extension Company Powerhouse Number 2, Tonopah, Nye County, 1953-1979 |
| 48 | 7 | Tonopah Midway Mining Company Number 2 Shaft, Tonopah, Nye County, 1953-1979 and undated |
| 48 | 8 | Tonopah Railroad Depot (Tonopah and Goldfield Railroad Depot), Tonopah, Nye County, 1904-1979 |
| 48 | 9 | Tonopah Railroad Company Pipeline, Candelaria, Mineral County, 1978-1979 |
| 48 | 10 | Tonopah Railroad Depot (Tonopah and Goldfield Railroad Depot), Tonopah, Nye County, 1904-1979 |
| 48 | 11 | Torreytown, Pershing County, 1970-1979 |
| 48 | 12 | Toulon, Churchill County, 1979 |
| 48 | 13 | Trail Canyon Pipeline, Candelaria, Esmeralda County, 1978-1979 |
| 48 | 14 | Transcontinental Telephone Line Completion Site, Elko County, 1970-1979 |
| 48 | 15 | Transportation Tunnel, Rochester, Pershing County, 1973-1979 |
| 48 | 16 | Transportation Tunnel Tramway, Rochester, Pershing County, 1973-1979 |
| 48 | 17 | Tranvaal, Booth, Nye County, 1970-1979 |
| 48 | 18 | Treadwell-Yukon Mining Company Mill, Tybo, Nye County, 1979 |
| 48 | 19 | Treasure City, White Pine County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 48 | 20 | Treasure City Water System, Treasure City, White Pine County, 1979 |
| 48 | 21 | Trinity, Pershing County, 1970-1979 |
| 48 | 22 | Troy, Nye County, 1970-1979 |
| 48 | 23 | Truckee Canal, Storey County, 1979 |
| 48 | 24 | Truckee-Carson Irrigation District Drainage System, Churchill County, 1977-1979 |
| 48 | 25 | Truckee River Bridge, Verdi, Washoe County, 1979 and undated |
| 48 | 26 | Truckee River Bridge, Wadsworth, Washoe County, 1978-1979 |
| 48 | 27 | Truckee River Bridge, Verdi, Washoe County, 1979 and undated |
| 48 | 28 | Truckee River General Electric Company Bluestone Substation, 1979 |
| 48 | 29 | Truckee River General Electric Farad-Virginia City Line,Washoe and Storey Counties, 1979 |
| 48 | 30 | Truckee River General Electric Company Fleisch Power House, Washoe County, 1979 |
| 48 | 31 | Truckee River General Electric Verdi Dam, Flume, and Pipeline, Washoe County, 1979 |
| 48 | 32 | Truckee River General Electric Company Verdi Power House, Verdi, Washoe County, 1979 |
| 48 | 33 | Truckee River General Electric Virginia City Substation, Virginia City, Storey County, 1979 |
| 48 | 34 | Truckee Storage Project, Washoe County, 1979 and undated |
| 48 | 35 | Tule Canyon, Esmeralda County, 1970-1979 |
| 48 | 36 | Tungstem, Pershing County, 1970-1979 |
| 48 | 37 | Tungstonia (Glencoe), White Pine County, 1979 |
| 48 | 38 | Tunnel (New Seven Troughs), Pershing County, 1970-1979 |
| 48 | 39 | Tunnel Camp Power Plant, Tunnel Camp, Pershing County, 1977-1979 |
| 48 | 40 | Tuscarora, Elko County, 1970-1979 |
| 48 | 41 | Tuscarora Pipeline, Tuscarora, Elko County, 1979 |
| 48 | 42 | Tuscarora Placer Canal, Tuscarora, Elko County, 1979 |
| 48 | 43 | Tybo, Nye County, 1970-1979 |
| 48 | 44 | Tybo Charcoal Kilns, Nye County, 1974-1979 |
| 48 | 45 | Union, Eureka County, 1970-1979 |
| 48 | 46 | Union, Nye County, 1979 |
| 48 | 47 | Union Lumber Company, Reno, Washoe County, 1912-1979 |
| 48 | 48 | Union Mill, Tuscarora, Elko County, 1979 |
| 48 | 49 | Union Pacific Railroad Boulder City Branch, Las Vegas, Boulder City, Clark County, 1963-1979 |
| 48 | 50 | Union Shaft Cornish Pump, Virginia City, Storey County, 1972-1979 |
| 48 | 51 | Unionville, Pershing County, 1970-1979 |
| 48 | 52 | United Comstock Merger Company Mill, Storey County, 1926-1979 |
| 48 | 53 | U. S. Army Heliograph Station, Nye County, 1979 |
| 48 | 54 | United States Bureau of Reclamation Telephone Company, Fallon, Churchill County, 1979 |
| 48 | 55 | United States Government Construction Railroads, Boulder City, Clark County, 1963-1979 |
| 48 | 56 | United States Mint-Carson City, Carson City County, 1885-1979 |
| 48 | 57 | United States Naval Ammunition Depot, Hawthorne, Mineral County, 1976-1979 |
| 48 | 58 | Valcalda Mill, Esmeralda County, 1976-1979 |
| Nevada, 1861-1979 and undated | ||
| 48 | 59 | Valcalda Mill Pipeline, Esmeralda County, 1976-1-979 |
| 48 | 60 | Van Sickle Toll Road, Douglas County, 1938-1979 |
| 48 | 61 | Vanderbilt (Geddes), Eureka County, 1970-1979 |
| 48 | 62 | Varyville (Columbia), Humboldt County, 1970-1979 |
| 48 | 63 | V Canal, Churchill County, 1977-1979 |
| 48 | 64 | Vegas Artesian Water Syndicate Well, Las Vegas, Clark County, 1975-1979 |
| 48 | 65 | Verdi, Washoe County, 1979 |
| 48 | 66 | Verdi-Dog Valley Bridge, Verdi, Washoe County, 1979 |
| 48 | 67 | Verdi Lumber Company Plant Complex, Verdi, Washoe County, 1891-1979 |
| 48 | 68 | Verdi Lumber Company Railroad, Verdi, Washoe County, 1963-1979 |
| 48 | 69 | Vernon, Pershing County, 1977-1979 |
| 48 | 70 | Veteran, Ely, White Pine County, 1970-1979 |
| 48 | 71 | Vicksburg (Ashdown), Humboldt County, 1970-1979 |
| 48 | 72 | Victor, Churchill County, 1970-1979 |
| 48 | 73 | Victor Mine-Tonopah Extension Company, Tonopah, Nye County, 1953-1979 |
| 48 | 74 | Vine Street Bridge, Reno, Washoe County, 1977-1979 |
| 48 | 75 | Virginia and Gold Hill Water Company System, Storey County, 1947-1979 |
| 48 | 76 | Virginia and Truckee Railroad Mail Baggage Car-Second Number 21, Carson City, Carson City County, 1978-1979 |
| 48 | 77 | Virginia and Truckee Railroad, Reno, Storey, Lyon, and Carson City Counties, 1947-1979 |
| 48 | 78 | Virginia and Truckee Railroad Bridge, Reno, Washoe County, 1977-1979 |
| 48 | 79 | Virginia and Truckee Railroad Depot, Carson City, 1978-1979 |
| 48 | 80 | Virginia and Truckee Railroad Engines Number 18 and Number 22, Carson City, Carson City County, 1973-1979 |
| 48 | 81 | Virginia and Truckee Railroad Shop Building, Carson City,Carson City County, 196-1979 |
| 48 | 82 | Virginia and Truckee Railroad Watertank, Franktown, Washoe County, 1974-1979 |
| 48 | 83 | Virginia City Electric Light Company, Virginia City, Storey County, 1972-1979 |
| 48 | 84 | Virginia City Historic District, Virginia City, Storey County, 1861-1979 |
| 48 | 85 | Virginia City-Placerville Toll Road, Storey, Washoe, Carson City, and Douglas Counties, 1947-1979 |
| 48 | 86 | Virginia City Waterworks, Virginia City, Storey County, 1979 |
| 48 | 87 | Virginia City Bridge, Reno, Washoe County, 1945-1979 |
| 48 | 88 | Virginia Street Iron Bridge, Reno, Washoe County, 1905-1979 and undated |
| 48 | 89 | Virginia Street Bridge, Reno, Washoe County, 1977-1979 |
| 48 | 90 | Virgin River Bridge, Bunkerville, Clark County, 1978-1979 |
| 48 | 91 | Wabuska, Lyon County, 1979 |
| 48 | 92 | Wadsworth, Washoe County, 1970-1979 |
| 48 | 93 | Wadsworth-Columbus Freighting Route, Esmeralda, Mineral, Storey, and Churchill Counties, 1978-1979 |
| 48 | 94 | Wahmonie, Nye County, 1970-1979 |
| 48 | 95 | Walker River Station, Douglas County, 1970-1979 |
| 48 | 96 | Ward, White Pine County, 1970-1979 |
| 48 | 97 | Ward Charcoal Ovens, Ward, White Pine County, 1978-1979 |
| 48 | 98 | Warmoth Mill, Farrell, Pershing County, 1977-1979 |
| 48 | 99 | Washington, Washoe County, 1970-1979 |
| Nevada, 1861-1979 and undated | ||
| 48 | 100 | Washington, Nye County, 1970-1979 |
| 48 | 101 | Washoe City, Washoe County, 1970-1979 |
| 48 | 102 | Washoe Power and Development Company Washoe Dam and Flume,Washoe County, 1979 |
| 48 | 103 | Washoe Power and Development Company Washoe Power House,Washoe County 1979 and undated |
| 48 | 104 | Washoe Valley Reduction Works (Dalls Mill), Washoe County, 1970-1979 |
| 48 | 105 | W. Charleston Boulevard Railroad Underpass, Las Vegas, Clark County, 1979 |
| 48 | 106 | Wedekind, Sparks, Washoe County, 1970-1979 |
| 48 | 107 | Weepah, Esmeralda County, 1970-1979 |
| 48 | 108 | Weepah Nevada Mining Company Mine and Mill, Weepah,Esmeralda County, 1975-1979 |
| 48 | 109 | Weepah Nevada Mining Company Pipeline, Weepah, Esmeralda County, 1975-1979 |
| 48 | 110 | Wellington, Lyon County, 1970-1979 |
| 48 | 111 | Wells Avenue Bridge, Reno, Washoe County, 1977-1979 |
| 48 | 112 | Wells Avenue Underpass, Reno, Washoe County, 1977-1979 |
| 48 | 113 | Wells Power Company Hydroelectric Plant, Wells, Elko County, 1975-1979 |
| 48 | 114 | Wells Railroad Bridge, Wells, Elko County, 1979 |
| 48 | 115 | Wells Underpass, Wells, Elko County, 1978-1979 |
| 48 | 116 | Western Pacific Freight and Passenger Station, Elko, Elko County, 1969-1979 |
| 48 | 117 | Western Pacific Railroad Depot, Winnemucca, Humboldt County, 1979 |
| 48 | 118 | Western Pacific Roundhouse and Turntable, Elko, Elko County, 1969-1979 |
| 48 | 119 | Western Pacific Railroad, Flanigan, Gerloch, Elko, and Palisade, inWashoe and Pershing Counties, 1962-1979 |
| 48 | 120 | Western Pacific Railroad Bridge at Palisade Number 1, Palisade, Eureka County,1979 |
| 48 | 121 | Western Union Telegraph Company Candelaria Line, Candelaria, Mineral County,1978-1979 |
| 48 | 122 | Wheeler Peak Heliograph Station, White Pine County, 1979 and undated |
| 48 | 123 | Wheelers, Douglas County, 1970-1979 |
| 48 | 124 | Whiskey Spring, Mineral County, 1979-1979 |
| 48 | 125 | Whitehorse Mine Headframe, Goldfield, Esmeralda County, 1979 |
| 48 | 126 | White Plains, Churchill County, 1970-1979 |
| 48 | 127 | White Rock, Elko County, 1970-1979 |
| 48 | 128 | Wielands Lager Bottling Plant, Reno, Washoe County, 1891-1979 |
| 48 | 129 | Wildcat Station, Churchill County, 1970-1979 |
| 48 | 130 | Wileys Station, Lyon County, 1970-1979 |
| 48 | 131 | Willard (later Loring), Lovelock, Pershing County, 1970-1979 |
| 48 | 132 | Willow Creek Canyon, Humboldt County, 1979 |
| 48 | 133 | Willow Creek Mines of Nevada Mill, Lander County, 1972-1979 |
| 49 | 1 | Willow Creek (Platora), Humboldt County, 1970-1979 |
| 49 | 2 | Willow Point, Humboldt County, 1970-1979 |
| 49 | 3 | Willow Springs Pipeline, Seven Troughs, Pershing County, 1977-1979 |
| 49 | 4 | Winnemucca Underpass, Winnemucca, Lyon County, 1978-1979 |
| 49 | 5 | Wonder, Churchill County, 1970-1979 |
| 49 | 6 | Wonder Water Company Ice Plant and Swimming Pool, Churchill County, 1974-1979 |
| 49 | 7 | Wonder Water Company Pipeline, Churchill County, 1974-1979 |
| 49 | 8 | W. R. Lee Flour Mill, Fallon Churchill County, 1977-1979 |
| Nevada, 1861-1979 and undated | ||
| 49 | 9 | Yankee Blade (Yandleville), Austin, Lander County, 1970-1979 |
| 49 | 10 | Yellow Pine Mining Company Railroad, Clark County, 1963-1979 |
| 49 | 11 | Young American Mine and Mill, Tuscarora, Elko County, 1971-1979 |
| Research Material, 1871-1979 | ||
| 49 | 12 | Bibliography: Reno Evening Gazette, Citations 1900-1918, 1977-1979 |
| 49 | 13 | Churchill County Information, 1975-1979 |
| 49 | 14 | Information from Special Collections, 1871-circa 1979 |
| 49 | 15 | Mine Notes, circa 1979 |
| 49 | 16 | Mining Citations, circa 1979 |
| 49 | 17 | Various Articles on Mines and Las Vegas (Photocopies), 1874-1877 |
| 49 | 18 | Printed Material: Nevada Map Index and Price List, Nevada Highway Department, circa 1977 |
| New Mexico, 1835-1988 and undated | ||
| Correspondence - Historic Engineering Site Inventory, 1975-1979 | ||
| 49 | 19 | General, 1978-1979 |
| 49 | 20 | Outgoing, 1977-1979 |
| 49 | 21 | Publication Contacts, 1977-1978 |
| 49 | 22 | Publication Requests, 1977 |
| 49 | 23 | State Planning Office, Incoming, 1975-1977 |
| 49 | 24 | State Planning Office, Outgoing, 1976-1979 |
| Financial Material - Historic Engineering Site Inventory, 1977-1979 | ||
| 49 | 25 | Accounts: Charges, 1978-1979 |
| 49 | 26 | Accounts and Finances, 1978 |
| 49 | 27 | Accounts and Finance, Payroll, 1978-1979 |
| 49 | 28 | Accounts and Finance, Payroll, 1979 |
| 49 | 29 | Purchase Orders, 1977-1979 |
| Site Investigation Summary, 1971-1978 | ||
| 49 | 30 | #35-001 through 35-099, 1971-1977 |
| 49 | 31 | #35-100 through 35-199, 1977 |
| 49 | 32 | #35-200 through 35-299, 1977 |
| 49 | 33 | #35-300 through 35-399, 1977-1978 |
| 49 | 34 | #35-400 through 35-499, 1977 |
| 49 | 35 | #35-500 through 35-599, 1978 |
| 50 | 1 | #35-600 through 35-699, 1977-1979 |
| 50 | 2 | #35-700 through 35-799, 1978-1979 |
| 50 | 3 | A. B. Fall Aqueduct, Three Rivers, Lincoln County, 1977 |
| 50 | 4 | Aztec Mine, Elizabethtown Mining District, Elizabethtown, Colfax County, 1941-1978 |
| 50 | 5 | Abbott Timber Bridge, Colfax County, 1978 |
| 50 | 6 | Acequia Madre of Santa Fe, Santa Fe, 1978 |
| 50 | 7 | Acoma Pueblo, Acoma, Valencia County, 1977 |
| 50 | 8 | Adobe Kiln or Furnace (Lead Ore), Magdalena, Socorro County, 1977 |
| 50 | 9 | Akela Highway Bridge, Luna County, 1978 |
| 50 | 10 | Alamo Canyon Pipeline, Alamo Canyon, Otero County, 1977 |
| 50 | 11 | Alamogordo Bridge, Alamogordo, Otero County, 1977 |
| 50 | 12 | Alamogordo - Cloudcroft Highway Tunnel, Otero County, 1977 |
| 50 | 13 | Alamogordo Railroad Depot, Alamogordo, 1979 |
| New Mexico, 1835-1988 and undated | ||
| 50 | 14 | Alamogordo Railway Water Treatment Plant, El Paso and Southwestern Railway, 1975 |
| 50 | 15 | Alamogordo and Sacramento Mountain Railway, Alamogordo and Cloudcroft, Otero County, 1978 |
| 50 | 16 | Alamogordo Wood Treatment Plant, Alamogordo, 1975 |
| 50 | 17 | Albemarle Mine, Santa Fe National Forest, Sandoval County, 1977 |
| 50 | 18 | Albuquerque Air Base, Bernalillo County, 1977 |
| 50 | 19 | Albuquerque Civic Auditorium, Albuquerque, Bernalillo County, 1979 |
| 50 | 20 | Albuquerque Eastern Railroad, Bernalillo and Torrance Counties, 1977 |
| 50 | 21 | Albuquerque Municipal Airport, Albuquerque, Bernalillo County, 1977 |
| 50 | 22 | Albuquerque Street Car Line, Albuquerque, Bernalillo County, 1978 |
| 50 | 23 | Albuquerque, Santa Fe, Mora County, 1882-1977 |
| 50 | 24 | Alcalde Bridge, near Alcalde, Rio Arriba County, 1977 |
| 50 | 25 | Alcalde Bridge Number 2, Alcalde, Rio Arriba County, 1968 |
| 50 | 26 | Alcalde Bridge Number 3, Alcalde, Rio Arriba County, 1977 |
| 50 | 27 | Algodones Bridge, Algodones, Sandoval County, 1977 |
| 50 | 28 | Allerton (Woodbury), Sandoval County, 1975 |
| 50 | 29 | Allison (Allison Mine), McKinley County, 1975-1977 |
| 50 | 30 | Amarillo-Roswell Furrow, Chaves County, 1975-1979 |
| 50 | 31 | American Canal, Rio Grande Project, Dona Ana County, 1961-1978 |
| 50 | 32 | American Diversion Dam, Rio Grande Reclamation Project, Dona Ana County, 1955-1978 |
| 50 | 33 | Amizette Mines, Taos County, 1975-1977 |
| 50 | 34 | Anasazi Pueblo Site, Gallup, McKinley County, 1977 |
| 50 | 35 | Ancho Brick Plant and Railroad, Ancho, Lincoln County, 1975-1977 |
| 50 | 36 | Andrew, Sierra County, 1975-1977 |
| 50 | 37 | Angostura Diversion Dam, Middle Rio Grande Project, Angostura, Sandoval County, 1978 |
| 50 | 38 | Animas Creek Bridge, Caballo, Sierra County, 1970-1977 |
| 50 | 39 | Apache Canyon Bridge, near Lamy, Santa Fe County, 1950-1978 |
| 50 | 40 | Apache Dam, Las Cruces, Dona Ana County, 1978 |
| 50 | 41 | Arizona and New Mexico Railway, Lordsburg, Grant and Hidalgo Counties, 1978 |
| 50 | 42 | Arrey Arroyo Bridge, Arrey, Sierra County, 1970-1977 |
| 50 | 43 | Arroyo de Anil Bridge, Ft. Sumner, De Baca County, 1971-1978 |
| 50 | 44 | Arroyo de la Matanza Bridge, south of Socorro, Socorro County, 1959 |
| 50 | 45 | Arroyo de los Chamisos Bridge, Santa Fe, Santa Fe County, 1968-1977 |
| 50 | 46 | Arroyo Hondo Bridge, south of Santa Fe, Santa Fe County, 1968-1977 |
| 50 | 47 | Arroyo Hondo Bridge number 2, Santa Fe County, 1968-1977 |
| 50 | 48 | Arroyo Hondo Irrigation Project, Santa Fe, Santa Fe County, 1912-1974 |
| 50 | 49 | Arroyo Tuerto Bridge, near Algodones, Sandoval County, 1971-1978 |
| 50 | 50 | Artesia Refineries, Artesia, Eddy County, 1939-1977 |
| 50 | 51 | Atarque, Valenca County, 1958-1978 |
| 50 | 52 | Atchison, Topeka, and Santa Fe Railroad Depot, Texico, Texico County, 1957-1978 |
| 50 | 53 | Atchison, Topeka, and Santa Fe Railroad Repair Shop, Albuquerque, Bernalillo County, 1944-1979 |
| 50 | 54 | Atchison, Topeka, and Santa Fe Railway Locomotive 1129, Las Vegas, San Miguel County, 1974-1977 |
| 50 | 55 | Atchison, Topeka, and Santa Fe Railway Locomotive 2926, Bernalillo County, 1944-1977 |
| New Mexico, 1835-1988 and undated | ||
| 50 | 56 | Atchison, Topeka and Santa Fe Railway Locomotive 5030, Santa Fe County, 1977 |
| 50 | 57 | Atchison, Topeka, and Santa Fe Railway in Colfax, San Miguel, Santa Fe, Bernalillo, and Luna Counties, 1970-1978 |
| 50 | 58 | Atchison, Topeka, and Santa Fe Railway Roundhouse, Las Vegas, San Miguel County, 1977 |
| 50 | 59 | Atchison, Topeka, and Santa Fe Railway York Canyon, Raton, Colfax County, 1950s-1977 |
| 50 | 60 | Atlantic and Pacific Railroad, McKinley, Bernalillo and Valencia County, 1970-1978 |
| 50 | 61 | Atlas Missile Sites, Roswell area, Chaves County, 1961-1978 |
| 50 | 62 | Aztec Bridge, Aztec, San Juan County, 1929-1977 |
| 50 | 63 | Aztec Mill, Cimarron, Colfax County, 1935-1977 |
| 50 | 64 | Azotea Tunnel, Chama, Rio Arriba County, 1968-1977 |
| 50 | 65 | Baca Toll Road, Cochiti, Sandoval County, 1958-1977 |
| 50 | 66 | Baish Number 1 Oil Well, Lea County, 1948 |
| 50 | 67 | Baldy (Aztec Lode), Colfax County, 1977 |
| 50 | 68 | Bear Canyon Dam, Upper Mimbres Valley, Grant County, 1936-1977 |
| 50 | 69 | Bonanza Creek Bridge, Cienaga, Santa Fe County, 1968-1977 |
| 50 | 70 | Belen Bridge, Belen, Valencia County, 1977 |
| 50 | 71 | Belen Cutoff, Valencia, Torrance, Guadalupe, De Baca, and Curry Counties, 1970-1977 |
| 50 | 72 | Bernalillo Bridge, Bernalillo, Sandoval County, 1977-1978 and undated |
| 50 | 73 | Bernalillo Bridge Number 2, near Bernalillo, Sandoval County, 1977 |
| 50 | 74 | Bernardo Bridge, Bernardo, Socorro County, 1971-1977 |
| 50 | 75 | “The Big Ditch”, Elizabethtown, Colfax County,1971-1978 |
| 50 | 76 | “The Big Ditch”, Silver City, Grant County, 1978 |
| 50 | 77 | Black Hawk (Blue Bell Mine), Grant County, 1975-1977 |
| 50 | 78 | Black King Mine, Hillsboro, Sierra County, 1975-1978 |
| 50 | 79 | Black River Bridge, near Whites City, Eddy County, 1971-1977 |
| 50 | 80 | Black River Canal, Carlsbad reclamation Project, Eddy County, 1978 |
| 50 | 81 | Blazecks Mill, Lincoln County, 1960-1977 |
| 50 | 82 | Bloomfield Irrigation Ditch, Bloomfield, San Juan County, 1932-1977 |
| 50 | 83 | Blossburg, Colfax County, 1905-1978 |
| 50 | 84 | Bluewater Dam, Cottonwood Creek, McKinley County, 1958-1977 |
| 50 | 85 | Bluewater Uranium Mill, Valencia County, 1963-1977 |
| 50 | 86 | Boca Negra Cave, west of Albuquerque, Bernalillo County, 1977 |
| 50 | 87 | Bonanza City (Marshal Bonanza Mine), Santa Fe County, 1975-1977 |
| 50 | 88 | Bonanza Creek Bridge, Santa Fe County, 1968-1978 |
| 50 | 89 | Bonito City, Lincoln County, 1975 |
| 50 | 90 | Bonito Dam, near Ruidoso, Lincoln County, 1952-1977 |
| 50 | 91 | Bonito Pipeline, Lincoln County, 1957-1977 |
| 50 | 92 | Bowen Tunnel, Dona Ana County, 1970 |
| 50 | 93 | Box Canyon Dam, Las Cruces, Dona Ana County, 1958-1978 |
| 50 | 94 | Brice (Jarilla ), Otero County, 1975 |
| 50 | 95 | Bridge of the Hidalgos, Santa Fe, Santa Fe County, 1974-1977 |
| 50 | 96 | Brilliant, Colfax County, 1975-1978 |
| 50 | 97 | Broad Canyon Bridge, Radium Springs, Dona Ana County, 1970-1977 |
| 50 | 98 | Burns-Biggs Lumber Company Railroad System, Chama, Rio Arriba County, 1970 |
| 50 | 99 | Burro Mountain Copper Mines, near Tyrone, Grant County, 1903-1977 |
| 50 | 100 | Burro Mountain Railroad, Tyrone, Grant County, 1970-1978 |
| New Mexico, 1835-1988 and undated | ||
| 50 | 101 | Burro Mountain Solar Observatory, Grant County, 1939-1978 |
| 50 | 102 | Butterfield Overland Mail Route, Hidalgo, Grant, Luna, Dona Ana,and Otero Counties, 1958-1977 |
| 51 | 1 | Caballo Bridge, Caballo, Sierra County, 1970-1977 |
| 51 | 2 | Caballo Dam, Caballo, Sierra County, 1940-1977 |
| 51 | 3 | Cabeza, near Cuba, Sandoval County, 1975-1978 |
| 51 | 4 | Cable Ferry, Cliff, Grant County, 1977 |
| 51 | 5 | Camino Real, Santa Fe, Sandoval, Bernalillo, Valencia, and Socorro Counties, 1977 |
| 51 | 6 | Camp Furlong, Columbus, Luna County, 1975-1978 |
| 51 | 7 | Canadian River Bridge, Quay County, 1977 |
| 51 | 8 | Canal Bridge, west of Roswell, Chaves County, 1971-1977 |
| 51 | 9 | Captain John Popes Artesian Well Experiments, Delaware Creek, Eddy County, 1963-1974 |
| 51 | 10 | Carlisle, Grant County, 1940-1977 |
| 51 | 11 | Carlsbad Caverns Elevator Shaft, Carlsbad Caverns National Park, Eddy County, 1977 |
| 51 | 12 | Carlsbad Irrigation District, Eddy County, 1973-1977 |
| 51 | 13 | Carlsbad Irrigation District Flume, Carlsbad, Eddy County, 1977 |
| 51 | 14 | Carlsbad Municipal Building, Carlsbad, Eddy County, 1977 |
| 51 | 15 | Carlsbad Reclamation Project, Eddy County, 1961-1977 |
| 51 | 16 | Carlsbad Waterworks, Carlsbad, Eddy County, 1961-1977 |
| 51 | 17 | Carrizozo Bridge, Carrizozo, Lincoln County, 1977-1978 |
| 51 | 18 | Carrizozo Creek Bridge, Union County, 1978 |
| 51 | 19 | Carrizozo Railroad Depot, Carrizozo, Lincoln, 1970-1977 |
| 51 | 20 | Carrizozo Timber Bridge, west of Carrizozo, Lincoln County, 1977 |
| 51 | 21 | Carrizozo to Capitan Railroad, Lincoln County, 1970-1977 |
| 51 | 22 | Carthage (Government Mine), Socorro County, 1977 |
| 51 | 23 | Cass Drawbridge, Loving, Eddy County, 1977 |
| 51 | 24 | Cassidys Mill, Cleveland, Mora County, 1978 |
| 51 | 25 | Catskill Charcoal Ovens, Colfax County, 1978 |
| 51 | 26 | Cebolleta Mill, Cebolleta, Valencia County, 1957-1978 |
| 51 | 27 | Cedar Hill Bridge, Cedar Hill, San Juan County, 1933-1978 |
| 51 | 28 | Central Avenue Bridge, Albuquerque, Bernalillo County, 1978 |
| 51 | 29 | Central Avenue Railroad Bridge, Albuquerque, Bernalillo County, 1977 |
| 51 | 30 | Cerrillos Coal Railroad Company, Santa Fe County, 1970-1978 |
| 51 | 31 | Cerillos Mining District, Santa Fe County, 1879-1979 |
| 51 | 32 | Chaco Wash Bridge, San Juan County, 1978 |
| 51 | 33 | Chama Dam, Chama, Rio Arriba County, 1978 |
| 51 | 34 | Chama River Suspension Bridge, Abiquiu, Rio Arriba County, 1979 |
| 51 | 35 | Chamizal Bridge, Chamizal, Socorro County, 1978 |
| 51 | 36 | Chance City, Grant County, 1975-1977 |
| 51 | 37 | Charette Lake, near Colmore, Colfax County, 1977 |
| 51 | 38 | Charles Ilfield Company Warehouse, Bernalillo County, 1977 |
| 51 | 39 | Chavez Arroyo Bridge, Bernalillo, Sandoval County, 1977 |
| 51 | 40 | Chicorico Creek Bridge, Raton, Colfax County, 1977 |
| 51 | 41 | Chisum Trails, De Baca County, 1978 |
| 51 | 42 | Chloride, Sierra County, 1910-1978 |
| 51 | 43 | Cienega Creek Bridge, Cienega, Santa Fe County, 1978 |
| New Mexico, 1835-1988 and undated | ||
| 51 | 44 | Cienaguillla Creek Bridge, Union County, 1979 |
| 51 | 45 | Cimarron and Northwestern Railroad, near Cimarron, Colfax County, 1949-1977 |
| 51 | 46 | Clairmont (Clermont), Catron County, 1975-1977 |
| 51 | 47 | Clifton and Lordsburg Railway, Hidalgo and Grant Counties, 1970-1978 |
| 51 | 48 | Clines Corners Bridge, Clines Corners, Torrance County, 1977 |
| 51 | 49 | Clines Corners Bridge Number 2, Clines Corners, Torrance County, 1977 |
| 51 | 50 | Cloudcroft Railroad Trestle, Cloudcroft, Otero County, 1970-1977 |
| 51 | 51 | Clarkville (Clark Coal Company), McKinley County, 1975-1977 |
| 51 | 52 | Clayton Dam, Union County, 1978 |
| 51 | 53 | Clayton Railroad Depot, Clayton, Union County, 1978 |
| 51 | 54 | Clayton Windmill Turbine Generator, Clayton, Union County, 1979 |
| 51 | 55 | Coalora, Lincoln County, 1975-1977 |
| 51 | 56 | Cochiti, Sandoval County, 1932-1977 |
| 51 | 57 | Cochiti District Road System, Cochiti Pueblo, Sandoval County, 1977 |
| 51 | 58 | Cochiti Mining District (Bland), Sandoval County, 1946-1977 |
| 51 | 59 | Coke House, Albuquerque, Bernalillo County, 1977 |
| 51 | 60 | Colfax, Colfax County, 1975-1977 |
| 51 | 61 | Colle Canyon Road Trestle, Sandoval County, 1977-1978 |
| 51 | 62 | Colmor Cutoff, Union, Colfax, Union County, 1970-1978 |
| 51 | 63 | Colorado and Southern Railroad, Union County, 1970-1978 |
| 51 | 64 | Conchas Dam, San Miguel County, 1935-1977 |
| 51 | 65 | Cooks Peak, Luna County, 1975-1978 |
| 51 | 66 | Cooks Spring, Luna County, 1964-1977 |
| 51 | 67 | Cooney, Catron County, 1975-1977 |
| 51 | 68 | Coors Building, Raton, Colfax County, 1977 |
| 51 | 69 | Copper City, Sandoval County, 1975-1977 |
| 51 | 70 | Copperton, Valencia County, 1975-1977 |
| 51 | 71 | Cordova Mill, near Vadito, Taos County, 1968-1977 |
| 51 | 72 | Corona Bridge, near Corona, Torrance County, 1977 |
| 51 | 73 | Coronados Bridge Across the Pecos, Puerta de Luna, Guadalupe County, 1889-1977 |
| 51 | 74 | Correo Bridge, Correo, Valencia County, 1977 |
| 51 | 75 | Correo Bridge Number 2, Correo, Valencia County, 1977 |
| 51 | 76 | Correo Bridge Number 3, Correo, Valencia County, 1977 |
| 51 | 77 | Costilla Dam, Costilla, Taos County, 1979 |
| 51 | 78 | Costillo Diversion Dam, Costilla, Taos County, 1978 |
| 51 | 79 | Council Rock, Socorro County, 1975-1977 |
| 51 | 80 | Crown Mill, Socorro, Socorro County, 1973-1975 |
| 51 | 81 | Cuba Extension Railroad, San Ysidro, Sandoval County, 1978 |
| 51 | 82 | Cuchillo Creek Bridge, Truth or Consequences, Sierra County, 1977 |
| 51 | 83 | Cumbres and Toltec Railroad Water Supply System, Chama, New Mexico to Antonito, Colorado, 1962-1974 |
| 51 | 84 | Cumbres and Toltec Scenic Railroad, Chama, Rio Arriba County, 1963-1977 |
| 51 | 85 | Davenport Elevator and Feed Store, Farley, Colfax County, 1977 |
| 51 | 86 | Dawson Coke Ovens, Colfax County, 1905-1978 |
| 51 | 87 | Dawson Electric Power Plant, Dawson, Colfax County, 1909-1975 |
| 51 | 88 | Dawson Waterworks, Dawson, Colfax County, 1909-1975 |
| 51 | 89 | Deep Tunnel Mine, Colfax County, 1950-1977 |
| 51 | 90 | Defiance Coal Company Tipple and Tramway, Gallup, McKinley County, 1970-1978 |
| 51 | 91 | Deming Coal Tipple, Demina, Luna County, 1978 |
| New Mexico, 1835-1988 and undated | ||
| 51 | 92 | Deming Evaporation Station, Deming, Luna County, 1979 |
| 52 | 1 | Denver and Rio Grande Railway, Taos, Rio Arriba, and San Juan Counties, 1970-1978 |
| 52 | 2 | Devoy Flume, Union County, 1978 |
| 52 | 3 | Dexter Wells, Dexter, Chaves County, 1977 |
| 52 | 4 | Diener, Valencia County, 1975-1977 |
| 52 | 5 | Domingo Bridge South of Domingo, Santa Fe County, 1968-1977 |
| 52 | 6 | Domingo and Rio Grande Railroad, Sandoval County, 1970-1978 |
| 52 | 7 | Dowlin Mill, Ruidoso, Lincoln County, 1956-1977 |
| 52 | 8 | Dry Cimarron River Bridge, Union County, 1978 |
| 52 | 9 | Dry Cimarron River Irrigation Canal, Union County, 1978 |
| 52 | 10 | Dry Ice Plant, Harding County, 1937-1977 |
| 52 | 11 | Dry Stone Fence, East of Folsom, Union County, 1977 |
| 52 | 12 | Dry Stone Wall, north of Folsom, Union County, 1977 |
| 52 | 13 | Durango to Farmington Narrow Gauge Railroad, Farmington, San Juan County, 1956-1977 |
| 52 | 14 | Eagle Nest Dam, Cimarron River, Eagle Nest, Colfax County, 1917-1978 |
| 52 | 15 | Eagle Tail Ditch, Colfax County, 1978 |
| 52 | 16 | Earth Dam Ranch, Solano Vicinity, Harding and Bernalillo County, 1881-1977 |
| 52 | 17 | East Canal, Carlsbad Reclamation Project, Eddy County, 1961-1978 |
| 52 | 18 | East Puerta de Luna Irrigation Canal, Guadalupe County, 1978 |
| 52 | 19 | East Side Canal, Rio Grande Reclamation Project, Dona Ana County, 1961-1978 |
| 52 | 20 | Eclipse Windmill, Ft. Sumner, De Baca County, 1977 |
| 52 | 21 | Edison Mill, Taos County, 1946-1977 |
| 52 | 22 | Eddy County Irrigation Canal Bridge, Eddy County, 1978 |
| 52 | 23 | Eddy National Bank Building, Eddy County, 1977 |
| 52 | 24 | Elemendorf Railroad Bridge, Elemendorf, Socorro County, 1977 |
| 52 | 25 | Elephant Butte Dam, Rio Grande, Sierra County, 1907-1978 |
| 52 | 26 | El Paso and Northeastern Railroad System, Otero and Lincoln Counties, 1966-1978 |
| 52 | 27 | El Paso and Rock Island Railway Company, Lincoln, Torrance, and Guadalupe Counties, 1970-1978 |
| 52 | 28 | El Paso and Southwestern Railroad, New Mexico and Arizona, 1924-1975 |
| 52 | 29 | El Paso and Southwestern Railroad Water Supply System, Lincoln, Torrance, and Guadalupe Counties, 1852-1978 |
| 52 | 30 | El Rancho De Las Golondrinas, near Cienega, Santa Fe County, 1975-1977 |
| 52 | 31 | El Vado Lake, Chama, Rio Arriba County, 1933-1978 |
| 52 | 32 | Elizabethtown Mining District, Elizabethtown, Colfax County, 1906-1975 |
| 52 | 33 | Embudo Bridge, Dixon, Rio Arriba County, 1977-1978 |
| 52 | 34 | Embudo Bridge, Embudo, Rio Arriba County, 1977 |
| 52 | 35 | Embudo - Dixon - Rinconada Irrigation System, Dixon, Rio Arriba County, 1977 |
| 52 | 36 | Embudo Historic District, Embudo, Rio Arriba County, 1977 |
| 52 | 37 | Embudo Stream Gauging Station, Embudo, Rio Arriba County, 1972-1975 |
| 52 | 38 | Embudo Torrions, Dixon, Rio Arriba County, 1977 |
| 52 | 39 | Escanada Wash Bridge, San Juan County, 1979 |
| 52 | 40 | Estey City, Lincoln County, 1975-1977 |
| 52 | 41 | Falsey Draw Bridge, Chaves County, 1978 |
| 52 | 42 | Farmington Electric Light and Power Company, Farmington, San Juan County, 1978 |
| 52 | 43 | Faywood Hot Springs, Grant County, 1975-1977 |
| New Mexico, 1835-1988 and undated | ||
| 52 | 44 | Federal Fish Hatchery, Dexter Chaves County, 1978 |
| 52 | 45 | Federal Resources Mine and others, Lordsburg, Hidalgo County, 1977 |
| 52 | 46 | Feliz Montana Ranch Bridge, Lincoln County, 1978 |
| 52 | 47 | Fidelity Building, Las Vegas, San Miguel County, 1978 |
| 52 | 48 | Fleming (Old Man Mine), Grant County, 1975-1977 |
| 52 | 49 | Ford and Neighbors Trail, Eddy County, 1975-1978 |
| 52 | 50 | Fort Craig Road Bridge, Fort Craig, Socorro County, 1977 |
| 52 | 51 | Fort Marcy Ruins, Santa Fe, Santa Fe County, 1937-1977 |
| 52 | 52 | Florida Evaporation Station, Luna County, 1928-1979 |
| 52 | 53 | Florida Railroad Water Stop System, Luna County, 1978 |
| 52 | 54 | Fort Selden, Radium Springs, Dona Ana County, 1977 |
| 52 | 55 | Fort Sumner Bridge, Fort Sumner, De Baca County, 1977 |
| 52 | 56 | Fort Sumner Irrigation District, Canal System, Fort Sumner, De Baca County, 1867-1977 |
| 52 | 57 | Fort Sumner Irrigation District Diversion Dam, Fort Sumner, De Baca County, 1977 |
| 52 | 58 | Fort Sumner Railroad Bridge, Fort Sumner, De Baca County, 1902-1977 |
| 52 | 59 | Fort Sumner Railroad Bridge Number 2, Fort Sumner, De Baca County, 1978 |
| 52 | 60 | Fort Sumner Railroad Depot, Fort Sumner, De Baca County, 1978 |
| 52 | 61 | Fort Thorn, Hatch, Dona Ana County, 1965-1977 |
| 52 | 62 | Fort Wingate, Fort Wingate, McKinley County, 1977 |
| 52 | 63 | Foster Canyon Bridge, north of Radium Springs, Dona Ana County, 1977 |
| 52 | 64 | French Irrigation Project, French, Colfax County, 1977 |
| 52 | 65 | Fruitland Lime Kilns, Fruitland, San Juan County, 1978 |
| 52 | 66 | Galisteo Creek Bridge, near Lamy, Santa Fe County, 1977 |
| 52 | 67 | Galisteo River Bridge Number 2, Galisteo, Santa Fe County, 1979 |
| 52 | 68 | Gallegos Mill, Mora, Mora County, 1978 |
| 52 | 69 | Gallinas River Highway Bridge, Las Vegas, San Miguel County, 1914-1978 |
| 52 | 70 | Gallinas River Bridge Number 2, Las Vegas, San Miguel County, 1978 |
| 52 | 71 | Gamerco Mine Smoke Stack, McKinley County, 1975-1977 |
| 52 | 72 | Gardiner, Colfax County, 1975-1977 |
| 52 | 73 | Gardiner Coke Ovens, Raton, Colfax County, 1970-1977 |
| 52 | 74 | Garfield Flume, Rio Grande Reclamation Project, Sierra County, 1961-1978 |
| 52 | 75 | G. E. Breece Lumber Company Mill, Alamogordo, Otero County, 1970-1978 |
| 52 | 76 | Georgetown Mining Operations, Grant County, 1947-1977 |
| 52 | 77 | Gibson (Gallup Mine), McKinley County, 1977 |
| 52 | 78 | Gila Cliff Dwellings National Monument, Silver City, Grant County, 1965-1977 |
| 52 | 79 | Gila River Bridge, Grant County, 1979 |
| 52 | 80 | Glade Arroyo Bridge, Farmington, San Juan County, 1978 |
| 52 | 81 | Glen-Woody Bridge, Taos County, 1977 |
| 52 | 82 | Glorieta Sawmills, Santa Fe County, 1975-1977 |
| 52 | 83 | Gnome Site, Eddy County, 1977 |
| 52 | 84 | Goddard Rocket Collection, Roswell, Chaves County, 1939-1977 |
| 52 | 85 | Gold Dust, Sierra County, 1977 |
| 52 | 86 | Gold Hill (Gold Chief Mine), Hidalgo County, 1972-1977 |
| 52 | 87 | Golden Crown Mill Steam Engine, Socorro, Socorro County, 1978 |
| 52 | 88 | Golden Stamp Mills, Santa Fe County, 1977 |
| 52 | 89 | Goodnight - Loving Trail, De Baca County, 1978 |
| 52 | 90 | Gordon Mill, Cleveland, Mora County, 1978 |
| 52 | 91 | Grafton, Sierra County, 1978 |
| New Mexico, 1835-1988 and undated | ||
| 52 | 92 | Graham (Whitewater), Catron County, 1977 |
| 52 | 93 | Gran Quivira Prehistoric Indian Pueblo and Irrigation System, Torrance County, 1916-1978 |
| 52 | 94 | Grants Pumice and Fluorspar Mines, Grants, Valencia County, 1977 |
| 53 | 1 | Grants Railroad Overpass, Grants, Valencia County, 1977 |
| 53 | 2 | Green Canyon Bridge, Arrey, Sierra County, 1977 |
| 53 | 3 | Hachita and Old Hachita, Hachita, Grant County 1966-1977 |
| 53 | 4 | Hachita Railroad Depot and Water Station, Hachita, Grant County, 1978 |
| 53 | 5 | Hagan and Coyote, Sandoval County, 1904-1977 |
| 53 | 6 | Hallack and Howard Lumber Railroad, La Madera, Rio Arriba County, 1970-1978 |
| 53 | 7 | Harding Mine, Dixon, Rio Arriba County, 1976-1977 |
| 53 | 8 | Harroun Dam, Loving, Eddy County, 1978 |
| 53 | 9 | Hatchet Ranch, 1978 |
| 53 | 10 | Hatch Treated Timber Bridge, Dona Ana County, 1978 |
| 53 | 11 | Hatch Siphon, Dona Ana County, 1977 |
| 53 | 12 | Haynes and Bonney Ice Plant, Roswell, Chaves County, 1978 |
| 53 | 13 | Hebron Dam, Colfax County, 1977 |
| 53 | 14 | Helen Ray Mine, Nogal, Lincoln County, 1966-1977 |
| 53 | 15 | Hermosa, Sierra County, 1910-1977 |
| 53 | 16 | Highway 66 Concrete Bridge, Quay County, 1978 |
| 53 | 17 | Highway 66 Timber Bridge, Quay County, 1978 |
| 53 | 18 | Highway 66 Timber Bridge Number 2, Quay County, 1978 |
| 53 | 19 | Hillsboro, Sierra County, 1906-1978 |
| 53 | 20 | Holloman Air Force Base, Holloman, Otero, 1977 |
| 53 | 21 | Holloman Air Force Base Test Track, Holloman, Otero County, 1977 |
| 53 | 22 | Hondo Project, near Roswell, 1903-1988 and undated |
| 53 | 23 | Hope Retard Dam, near Artesia, Eddy County, 1977 |
| 53 | 24 | Horomigaso Irrigation Ditch, Anton - Chico - La Loma, Guadalupe County, 1925-1977 |
| 53 | 25 | Hurley Smelter, Hurley, grant County, 1952-1977 |
| 53 | 26 | Ice Pond Site, Las Vegas, San Miguel County, 1977 |
| 53 | 27 | Illinois Brewery, Socorro, Socorro County, 1973-1975 |
| 53 | 28 | International Boundary Monument Number 1, near El Paso, Dona Ana County, 1974-1977 |
| 53 | 29 | International Space Hall of Fame, Alamogordo, Otero County, 1977-1978 |
| 53 | 30 | Iron Creek Bridge, East Kingston, Sierra County, 1977 |
| 53 | 31 | Iron Creek Bridge, West Kingston, Sierra County, 1977-1978 |
| 53 | 32 | Isleta Bridge, Bernalillo County, 1978 |
| 53 | 33 | Isleta Diversion Dam, Isleta, Bernalillo County, 1978 |
| 53 | 34 | Jemez Mountains Indian Quarries, Santa Fe national Forest, Rio Arriba County, 1977 |
| 53 | 35 | Jemez Springs Bridge, Jemez Springs, Sandoval County, 1978 |
| 53 | 36 | Jicarilla, Lincoln County, 1975-1978 |
| 53 | 37 | John Dunn Bridge, Taos County, 1978 |
| 53 | 38 | Jornado Range Reserve Evaporation Station, Dona Ana County, 1929-1979 |
| 53 | 39 | Judkins Mills, Carlsbad, Eddy County, 1908-1978 |
| 53 | 40 | Junction Point, Luna County, Deming, 1978 |
| 53 | 41 | Kearneys Gap Bridge, near Las Vegas, San Miguel County, 1914-1977 |
| 53 | 42 | Kelly Mine, near Magdalena, Socorro County, 1906-1977 |
| New Mexico, 1835-1988 and undated | ||
| 53 | 43 | King Arroyo Timber Bridge, Las Palomas, Sierra County, 1978 |
| 53 | 44 | Kingston Mines, Silver City Mining District, Grant County, 1882-1978 |
| 53 | 45 | Kirtland Bridge, Kirtland, San Juan County, 1977 |
| 53 | 46 | Koehler, Colfax County, 1907-1977 |
| 53 | 47 | La Belle, Taos County, 1975-1977 |
| 53 | 48 | La Cueva Mill, Mora County, 1907-1974 |
| 53 | 49 | La Luz Canyon Bridge, Alamogordo, Otero County, 1977 |
| 53 | 50 | La Plata Bridge, San Juan County, 1979 |
| 53 | 51 | La Ventana, La Ventana, Sandoval County, 1975-1977 |
| 53 | 52 | Laguna Cut-Off Bridge, Valencia County, 1979 |
| 53 | 53 | Lake Arthur Swinging Bridge, Artesia, Eddy County, 1924-1977 |
| 53 | 54 | Lake Avalon, Carlsbad, 1887-1975 |
| 53 | 55 | Lake McMillan and Dam Lakewood, Eddy County, 1894-1978 |
| 53 | 56 | Lake Valley Mining District, Sierra County, 1883-1977 |
| 53 | 57 | Lake Van (Horseshoe Lake), Dexter, Chaves County, 1977 |
| 53 | 58 | Las Animas River Bridge, Farmington, San Juan County, 1978 |
| 53 | 59 | Las Animas River Suspension Bridge, San Juan County, 1924-1977 |
| 53 | 60 | Las Palomas Bridge, Las Palomas, Sierra County, 1977 |
| 53 | 61 | Las Trampas Canoa, Las Trampas, Taos County, 1946-1977 |
| 53 | 62 | Las Vegas Irrigation Project, near Las Vegas, San Miguel County, 1835-1977 |
| 53 | 63 | Las Vegas Tie and Timber Preserving Plant, Las Vegas, San Miguel County, 1894-1977 |
| 53 | 64 | Las Vegas Trolley Car Barn and Power House, Las Vegas, San Miguel County, 1975-1977 |
| 53 | 65 | Las Vegas Irrigation Project Diversion Dam, Las Vegas, San Miguel County, 1978 |
| 53 | 66 | Leasburg Canal, Rio Grande Reclamation Project, Dona Ana County, 1978 |
| 53 | 67 | Leasburg Dam, Radium Springs, Dona Ana County, 1917-1977 |
| 53 | 68 | Lemitar Bridge, Lamitar, Socorro County, 1978 |
| 53 | 69 | Lemitar Bridge Number 2, Lemitar, Socorro County, 1978 |
| 53 | 70 | Leopold (Burro Mountain Copper Company), Grant County, 1975-1977 |
| 53 | 71 | Lincoln Torreon, Lincoln County, 1978 |
| 53 | 72 | Llaves Pueblo, Llaves, Rio Arriba County, 1977 |
| 53 | 73 | Loco Hills Compressor Plant, 1978 |
| 53 | 74 | Logan Railroad Bridge, Logan, Quay County, 1977 |
| 53 | 75 | Lordsburg Coal Tipple, Hidalgo County, 1978 |
| 54 | 1 | Lordsburg and Hachita Railroad, Grant County, 1970-1978 |
| 54 | 2 | Lordsburg Railroad Bridge, Lordsburg, Hidalgo County, 1978 |
| 54 | 3 | Los Alamitos Interbasin Diversion, Taos and Mora Counties, 1971 |
| 54 | 4 | Los Alamos Historic Collections, Los Alamos Historical Museum and Archives, Los Alamos County, 1973-1975 |
| 54 | 5 | Los Alamos Ranch School, Los Alamos County, 1953-1975 |
| 54 | 6 | Los Alamos Scientific Laboratory, Los Alamos County, 1973-1975 |
| 54 | 7 | Los Griegos Evaporation Station, Albuquerque, Bernalillo County, 1929-1979 |
| 54 | 8 | Los Lunas bridge, near Los Lunas, Valencia County, 1977 |
| 54 | 9 | Lucky Bill Lead, Vanadium, Bayard, Grant County, 1913-1979 |
| 54 | 10 | Madison Oil Well, Eddy County, 1910-1978 |
| 54 | 11 | Madrid Historic District, Madrid, Santa Fe County, 1947-1977 |
| 54 | 12 | Magado Creek Bridge, Capitan, Lincoln County, 1977 |
| New Mexico, 1835-1988 and undated | ||
| 54 | 13 | Magdalena Bridge, Magdalena, Socorro County, 1978 |
| 54 | 14 | Magdalena Bridge Number 2, Magdalena, Socorro County, 1978 |
| 54 | 15 | Magdalena Bridge Number 3, Magdalena, Socorro County, 1978 |
| 54 | 16 | Magdalena Bridge Number 4, Socorro County, 1978 |
| 54 | 17 | Magdalena Mining District, Socorro County, 1906-1978 |
| 54 | 18 | Malone, Hidalgo County, 1978 |
| 54 | 19 | Mal Pais Timber Bridge, Lincoln County, 1978 |
| 54 | 20 | Manzano Lake, Manzano, Torrance County, 1940-1977 |
| 54 | 21 | Maxwell Irrigated Land Project, Maxwell, Colfax County, 1908-1978 |
| 54 | 22 | McGaffey Company Railroad, McGaffey County, 1977 |
| 54 | 23 | Meerschaum Mines, Grant County, 1907-1978 |
| 54 | 24 | Mentmore (Oilco), McKindly County, 1975-1977 |
| 54 | 25 | Mesilla Dam, near Las Cruces, Dona Ana County, 1977 |
| 54 | 26 | Miami Dam, Miami, Colfax County, 1978 |
| 54 | 27 | Middle Fork of Percha Creek Bridge, Sierra County, 1978 |
| 54 | 28 | Middle Rio Grande Reclamation Project Rio Arriba, Valencia, Socorro, Sandoval, and Bernalillo Counties, 1961-1977 |
| 54 | 29 | Middle Seven Rivers Bridge, Seven Rivers, Eddy County, 1977 |
| 54 | 30 | Mimbres Mining Operations, Mimbres, Grant County, 1977 |
| 54 | 31 | Mimbres River Bridge, north of Deming, Luna County, 1977 |
| 54 | 32 | Mimbres River Bridge, San Lorenzo, Grant County, 1977 |
| 54 | 33 | Mina Del Tiro (Tierra), Cerrillos, Santa Fe County, 1953-1977 |
| 54 | 34 | Mineral City Mines, San Miguel County, 1915-1977 |
| 54 | 35 | Modoe Lead Mine, Dona Ana County, 1975-1977 |
| 54 | 36 | Mogollon Mining District, Mogollon, Catron County, 1877-1978 |
| 54 | 37 | Mineral Creek Bridge, Mogollon, Catron County, 1977 |
| 54 | 38 | Mimbres River Bridge Number 2, Grant County, 1978 |
| 54 | 39 | Molino De Los Duranes, Ranchos de Los Taos, Taos County, 1977 |
| 54 | 40 | Monero Coal Mines, Monero, Rio Arriba County, 1977 |
| 54 | 41 | Montezuma Bridge, Montezuma, San Miguel County, 1977 |
| 54 | 42 | Montezuma Hotel Complex, Las Vegas, San Miguel County, 1977 |
| 54 | 43 | Montezuma Truss Bridge, Montezuma, San Miguel County, 1978 |
| 54 | 44 | Monticello Canyon Bridge, Truth or Consequences, Sierra County, 1977 |
| 54 | 45 | Montoya Bridge, Montoya, Quay County, 1978 |
| 54 | 46 | Montoya Bridge Number 2, Montoya, Quay County, 1978 |
| 54 | 47 | Montoya Bridge Number 3, Montoya, Quay County, 1978 |
| 54 | 48 | Montoya Railroad Trestle, Montoya, Quay County, 1978 |
| 54 | 49 | Mora River Bridge, Watrous, Mora County, 1977 |
| 54 | 50 | Mora River Bridge Number 2, Watrous, Mora County, 1977 |
| 54 | 51 | Mora River Bridge Number 3, Mora County, 1978 |
| 54 | 52 | Moriarty Windmill, Moriarty, Torrance County, 1884-1978 |
| 54 | 53 | Mount Chalchihuitl Turquoise Mine, Santa Fe County, 1858-1977 |
| 54 | 54 | Nambe Falls Dam, San Juan - Chama reclamation Project, Nambe Pueblo, Santa Fe County, 1978 |
| 54 | 55 | Nambe Pueblo Solar Building, Nambe Reservation, Santa Fe County, 1977 |
| 54 | 56 | Naschitti Bridge, Naschitti, San Juan County, 1977 |
| 54 | 57 | National Radio Astronomy Observatory, Datil, Catron County, 1977 |
| 54 | 58 | Navajo, McKinley County, 1978 |
| 54 | 59 | Navajo Canyon Bridge, south of Cebolla, Rio Arriba County, 1977 |
| New Mexico, 1835-1988 and undated | ||
| 54 | 60 | New Mexico Central Railroad, Estancia, Santa Fe and Torrance Counties, 1976-1977 |
| 54 | 61 | New Mexico Midland Railway, San Antonio, Socorro County, 1970-1977 |
| 54 | 62 | New Mexico Timber Company Processing Plant, Bernalillo, Sandoval County, 1978 |
| 54 | 63 | Newcomb Bridge, Newcomb, San Juan County, 1977 |
| 54 | 64 | Nogal Canyon Bridge, south of San Antonio, Socorro County, 1978 |
| 54 | 65 | Nogal Creek Bridge, north of Nogal, Lincoln County, 1977 |
| 54 | 66 | Northern Canal, Chaves County, 1889-1977 |
| 54 | 67 | Nutt Railway Terminal, Luna County, 1972-1978 and undated |
| 54 | 68 | Obsidian Mine, Rio Arriba County, 1977 |
| 54 | 69 | Ojitos Logging Camp, Sandoval County, 1978 |
| 54 | 70 | Oklahoma State Line Bridge, Union County, 1978 |
| 54 | 71 | Old Abe Mine, White Oaks, Lincoln County, 1977 |
| 54 | 72 | Old Clayton Dam, Clayton, Union County, 1978 |
| 54 | 73 | Old Hatchet Mine, Grant County, 1978 |
| 54 | 74 | Old Kotyiti Ramparts, Cochiti Pueblo, Sandoval County, 1977 |
| 54 | 75 | Oliver Lees Circle Cross Ranch Ditch and Pipeline, Timberon - Circle Cross Ranch, Otero County, 1978 |
| 54 | 76 | Orchard Ranch, Harding County, 1950-1977 |
| 54 | 77 | Organ Mountain Mining District, west of Las Cruces, Dona Ana County, 1905-1978 |
| 54 | 78 | Original Potash Bull Wheel, Eddy County, 1943-1977 |
| 54 | 79 | Orogrande (Jarilla Junction), Otero County, 1908-1977 |
| 54 | 80 | Ortiz Mine, near Cerrillos, Santa Fe County, 1971-1977 |
| 54 | 81 | Otowi Bridge Historic District, San Ildefonso, Santa Fe County, 1924-1977 |
| 54 | 82 | Park City, Socorro County, 1977 |
| 54 | 83 | Parkview Fish Hatchery, Rio Arriba County, 1940-1977 |
| 54 | 84 | Parsons Mine, near Angus, Lincoln County, 1957-1977 |
| 54 | 85 | Pashal, Grant County, 1975-1977 |
| 54 | 86 | Pecos Pueblo Grant Bridge, Santa Fe County, 1978 |
| 54 | 87 | Pecos River Bridge, Dexter, Chaves County, 1977 |
| 54 | 88 | Pecos River Bridge, Fort Sumner, De Baca County, 1979 |
| 54 | 89 | Pecos River Railroad Bridge, Carlsbad, Eddy County, 1978 |
| 54 | 90 | Pecos River Bridge, Dilia, Guadalupe County, 1977 |
| 54 | 91 | Pecos River Railroad Company, Eddy County, 1977 |
| 54 | 92 | Pecos River Bridge, Hagerman, 1978 |
| 54 | 93 | Pecos River Bridge, Roswell, east of Roswell, Chaves County, 1977 |
| 54 | 94 | Pecos River Bridge, Lake McMillan, Eddy County, 1977 |
| 54 | 95 | Pecos River Timber Bridge, near San Miguel, San Miguel County, 1977 |
| 54 | 96 | Pecos River Truss Bridge (Terrero Bridge), Terrero, San Miguel County, 1977 |
| 54 | 97 | Pecos Valley and Northeastern Railway, Eddy, Chaves, Roosevelt and Curry Counties, 1952-1977 |
| 54 | 98 | Pena Blanca Wash Bridge, San Juan County, 1978 |
| 54 | 99 | Penasco River Bridge, Artesia, Eddy County, 1977 |
| 54 | 100 | Pendaries Mill, near San Miguel, San Miguel County, 1974-1977 |
| 55 | 1 | Peralta Canyon Pipeline, Santa Fe National Forest, Sandoval County, 1977 |
| 55 | 2 | Percha Arroyo Diversion Dam, Rio Grande Reclamation Project, Dona Ana County 1961-1977 |
| 55 | 3 | Percha Creek Bridge, Caballo, Lincoln County, 1977 |
| 55 | 4 | Percha Creek Bridge Number 2, Sierra County, 1978 |
| New Mexico, 1835-1988 and undated | ||
| 55 | 5 | Percha Creek Bridge Number 3, Sierra County, 1978 |
| 55 | 6 | Percha Dam, Arrey, Sierra County, 1918-1977 |
| 55 | 7 | Peterson Dam, Gallinas River, Las Vegas, San Miguel County, 1913-1977 |
| 55 | 8 | Picacho North Dam, Rio Grande Reclamation Project, Dona Ana County, 1978 |
| 55 | 9 | Picacho South Dam, Rio Grande reclamation Project, Dona Ana County, 1978 |
| 55 | 10 | Pinos Altos Mines, Pinos Altos, Grant County, 1948-1978 |
| 55 | 11 | Pitrat Mill, Aztec, San Juan County, 1978 |
| 55 | 12 | Placitas Arroyo Bridge, Hatch, Dona Ana County, 1977 |
| 55 | 13 | Plaza Larga Creek Bridge, north of quay, Quay County, 1978 |
| 55 | 14 | Pojoaque River Bridge, Pojoaque, Santa Fe County, 1977 |
| 55 | 15 | Portales Irrigation Project, Roosevelt County, 1911-1977 |
| 55 | 16 | Portales Windmills, Roosevelt County, 1939-1977 |
| 55 | 17 | Porter Landing, Jemez Springs, Sandoval County, 1970-1977 |
| 55 | 18 | Prehistoric Indian Wells, near Portales, Roosevelt County, 1951-1977 |
| 55 | 19 | Pressure Maintenance Plant, Maljamar, Lea County, 1944-1977 |
| 55 | 20 | Priest Gulch Bridge, near Lincoln, Lincoln County, 1977 |
| 55 | 21 | Pueblito Crossing Bridge, Socorro, Socorro County, 1977 |
| 55 | 22 | Pueblito Crossing Irrigation and Flood Control Dam and Bridge, Socorro County, 1978 |
| 55 | 23 | Pueblo Bonito, Chaco Canyon National Monument, McKinley County, 1922-1977 |
| 55 | 24 | Puerto de Luna Bridge, Puerto de Luna, Guadalupe County, 1958-1977 |
| 55 | 25 | Pyramid, Hidalgo County, 1906-1977 |
| 55 | 26 | Quartz Mill and Millsite, Hillsboro, Sierra County, 1977 |
| 55 | 27 | New Mexican Railroad Company, Sierra, Socorro, and Colfax Counties, 1978 |
| 55 | 28 | Ranger Lake Windmill, Lea County, 1974-1977 |
| 55 | 29 | Raton Overpass, Raton, Colfax County, 1977 |
| 55 | 30 | Raton Pass Toll Road, near Raton, Colfax County, 1973-1976 |
| 55 | 31 | Raton Railway Tunnels, Santa Fe Railway Company, near Raton, Colfax County, 1879-1977 |
| 55 | 32 | Raton to Santa Fe Stagecoach Route, Colfax, Mora, San Miguel, and Santa Fe Counties, 1973-1975 |
| 55 | 33 | Raton Waterworks, Raton, Colfax County, 1892-1977 |
| 55 | 34 | Rattlesnake Oil Field, Shiprock, San Juan County, 1974 |
| 55 | 35 | Red River Flume, Red River, Taos County, 1975-1977 |
| 55 | 36 | Riley, Socorro County, 1975-1977 |
| 55 | 37 | Rincon Railroad Bridge, Dona Ana County, 1977 |
| 55 | 38 | Rincon Siphon, Dona Ana County, 1977 |
| 55 | 39 | Rincon Valley Main Canal, Rio Grande Reclamation Project, Sierra Count, 1961-1978 |
| 55 | 40 | Rio Bonito Bridge, near Capitan, Lincoln County, 1972-1977 |
| 55 | 41 | Rio Felix Bridge, near Hagerman, Chaves County, 1971-1977 |
| 55 | 42 | Rio Felix Bridge, Chaves County, 1971-1977 |
| 55 | 43 | Rio Feliz Timber Bridge, Chaves County, 1978 |
| 55 | 44 | Rio Galisteo Bridge, Sandoval County, 1977 |
| 55 | 45 | Rio Grande and Pagosa Springs Railroad, Rio Arriba County, 1978 |
| 55 | 46 | Rio Grande Bridge, Albuquerque, Albuquerque, Bernalillo County, 1972-1978 |
| 55 | 47 | Rio Grande Bridge, Arrey, Sierra County, 1977 |
| 55 | 48 | Rio Grande Bridge, El Paso and Southwestern Railway, Dona Ana County New Mexico to El Paso County Texas, 1978 |
| 55 | 49 | Rio Grande Bridge, Las Cruces, Dona Ana County, 1977 |
| New Mexico, 1835-1988 and undated | ||
| 55 | 50 | Rio Grande Bridge, Radium Springs, Dona Ana County, 1977-1978 |
| 55 | 51 | Rio Grande Bridge on State Road 44, Sandoval County, 1979 |
| 55 | 52 | Rio Grande Bridge, San Juan Pueblo, Rio Arriba County, 1971-1978 |
| 55 | 53 | Rio Grande Bridge, United States Highway 64, Lynden, Rio Arriba County, 1979 |
| 55 | 54 | Rio Grande Eastern Railway, Sandoval and Santa Fe Counties, 1978 |
| 55 | 55 | Rio Grande Gorge State Park Bridge, Gorge State Park, Taos County, 1977-1978 |
| 55 | 56 | Rio Grande High Bridge, Taos County, 1977 |
| 55 | 57 | Rio Grande Reclamation Project, Dona Ana, Sierra, and Socorro Counties, 1961-1978 |
| 55 | 58 | Rio Hondo River Bridge, Pichacho, Lincoln County, 1978 |
| 55 | 59 | Rio Hondo River Bridge, Tinnie, Lincoln County, 1978 |
| 55 | 60 | Rio Penasco Bridge, Atoka, Eddy County, 1977 |
| 55 | 61 | Rio Pueblo Bridge, Penasco, Taos County, 1978 |
| 55 | 62 | Rio Puerco Bridge, Bernalillo County, 1977 |
| 55 | 63 | Rio Puerco Bridge, near Gallup, McKinley County, 1978 |
| 55 | 64 | Rio Puerco Masonry Dam, Sandoval County, 1964-1977 |
| 55 | 65 | Rio Salado Bridge, San Acacia, Socorro County, 1977 |
| 55 | 66 | Rio San Jose Bridge, east of Grants, Valencia County, 1977 |
| 55 | 67 | Rio San Jose Bridge at Grants Number 2, Valencia County, 1977 and undated |
| 55 | 68 | Rio San Jose Bridge at Grants, Valencia County, 1977 |
| 55 | 69 | Rio San Jose Bridge at McCartys, Valencia County, 1977 |
| 55 | 70 | “Rio San Jose Bridge”, near Rowe and Loretta, undated |
| 55 | 71 | Riverside Diversion Dam, Rio Grande Reclamation Project, Dona Ana County, 1978 |
| 55 | 72 | Robinson, near Winston, Socorro County, 1977 |
| 55 | 73 | Rock Island Railroad Bridge, Tucumcari, Quay County, 1977 |
| 55 | 74 | Rocky Arroyo Bridge, near Carlsbad, Eddy County, 1978 |
| 55 | 75 | The Romaine Fielding and Tom Mix Studio, Las Vegas, San Miguel County, 1977 |
| 55 | 76 | Romero Mill, Vadito, Taos County, 1978 |
| 55 | 77 | Romeoville Bridge, Romeoville, San Miguel County, 1978 |
| 55 | 78 | Rosedale, Socorro County, 1909-1978 |
| 55 | 79 | Ruidoso Prehistoric Irrigation, near Ruidoso, Lincoln County, 1915-1977 |
| 55 | 80 | Ryan Hill Canyon Bridge, San Marcial, Socorro County, 1977 |
| 55 | 81 | Sacramento City Cement Company, Otero County, 1977 |
| 55 | 82 | Sacramento Peak Solar Observatory, Sunspot, Otero County, 1978 |
| 55 | 83 | Sacramento Pipeline, Otero County, 1961-1977 |
| 55 | 84 | Salado Creek Bridge, near Capitan , Lincoln County, 1977 |
| 55 | 85 | Salt Creek Bridge, Chaves County, 1977 |
| 55 | 86 | Salt Draw Bridge, south of Malaga, Eddy County, 1977 |
| 55 | 87 | San Acacia Dam, San Acacia, Socorro County, 1978 |
| 55 | 88 | San Augustine (Stevenson-Bennett Mine), Dona Ana County, 1975-1978 |
| 55 | 89 | San Cristobel Bridge, Santa Fe County, 1979 |
| 55 | 90 | San Felipe Bridge, Rio Grande, 1957-1977 |
| 55 | 91 | San Fidel Grist Mill, San Fidel, Valencia County, 1978 |
| 55 | 92 | San Francisco River Bridge, near Alma, Catron County, 1977 |
| 55 | 93 | San Francisco River Bridge Number 2, Luna, Catron County, 1977 |
| 55 | 94 | San Geronimo Sawmill, San Miguel County, 1975-1977 |
| 55 | 95 | San Juan Creek Bridge, Quay County, 1978 |
| 55 | 96 | San Juan Mill, San Juan Pueblo, Rio Arriba County, 1939-1977 |
| 55 | 97 | San Juan Oil and Gas District, San Juan County, 1948-1977 |
| 55 | 98 | San Juan River Bridge, Shiprock, San Juan County, 1932-1977 |
| New Mexico, 1835-1988 and undated | ||
| 55 | 99 | San Marcial, Socorro County, 1975-1977 |
| 55 | 100 | San Marcial Bridge, San Marcial, Socorro County, 1978 |
| 55 | 101 | San Marcial Bridge Number 2, San Marcial, Socorro County, 1978 |
| 55 | 102 | San Marcial Bridge Number 3, San Marcial, Socorro County, 1978 |
| 55 | 103 | San Marcial Bridge Number 4, Socorro County, 1978 |
| 55 | 104 | San Marcial Bridge Number 5, Socorro County, 1978 |
| 55 | 105 | San Marcial Bridge Number 6, Socorro County, 1978 |
| 55 | 106 | San Marcial Bridge Number 7, Socorro County, 1978 |
| 55 | 107 | San Marcial Bridge Number 8, Socorro County, 1978 |
| 55 | 108 | San Miguel Bridge Failure, Santa Fe Railway County, San Miguel,San Miguel County, 1975 |
| 55 | 109 | San Pedro Arroyo Smelter (Gold?), Sandoval County, 1977 |
| 55 | 110 | San Pedro Coke Ovens, Santa Fe County, 1887-1977 |
| 55 | 111 | Santa Barbara Canyon Log Crib Earthfill Dam, Sandoval County, 1954-1979 |
| 55 | 112 | Santa Barbara Tie and Pole Company, Domingo, Sandoval County, 1978 |
| 55 | 113 | Santa Cruz Dam, Santa Fe County, 1977 |
| 55 | 114 | Santa Fe, Albuquerque and Pacific Railroad Company - Santa Fe Central Railway,Santa Fe and Torrance Counties, 1978 |
| 55 | 115 | Santa Fe Copper Company Mines, Santa Fe County, 1889-1975 |
| 55 | 116 | Santa Fe National Forest Survey Markers, Rociada, Mora, and San Miguel Counties,1977 |
| 55 | 117 | Santa Fe Northern Railroad, Cuba Extension Railroad, Sandoval County, 1970-1978 |
| 55 | 118 | Santa Fe Northwestern Railroad, Bernalillo - Jemez Mountains, Sandoval County,1970-1978 |
| 55 | 119 | Santa Fe Placer Mines, south of Santa Fe, Santa Fe County, 1975 |
| 55 | 120 | Santa Fe Railroad Depot, Bernalillo, Sandoval County, 1977 |
| 55 | 121 | Santa Fe Railroad Depot, Los Lunas, Valencia County, 1978 |
| 55 | 122 | Santa Fe Railroad Depot, Socorro, Socorro County, 1978 |
| 55 | 123 | Santa Fe, Raton, and Des Moines Railroad, Colfax County, 1970-1978 |
| 56 | 1 | Santa Fe, Raton, and Eastern Railroad, Raton, Colfax County, 1970-1978 |
| 56 | 2 | Santa Fe Trail Museum and Historical Society, Springer, Colfax County, 1977 |
| 56 | 3 | Santa Fe Trail Survey, Fort Osage Missouri to Taos New Mexico, 1825-1977 |
| 56 | 4 | Santa Fe Water and Electric Company, Santa Fe County, 1908-1978 |
| 56 | 5 | Santa Fe Waterworks, Santa Fe, Santa Fe County, 1893-1977 |
| 56 | 6 | Santa Fe Waterworks Reservoir, Santa Fe County, 1893-1978 |
| 56 | 7 | Santa Rita Copper Mine, Santa Rita, Grant County, 1909-1977 |
| 56 | 8 | Sapello River Bridge, Watrous, Mora County, 1978 |
| 56 | 9 | SEC Corporation Dry Ice Plant and Pipeline, Solano, Harding County, 1977 |
| 56 | 10 | Sedillo Hill Reservoir Bridge, Socorro County, 1978 |
| 56 | 11 | Senator Clark Field Gallup Municipal Airport, Gallup, McKinley County, 1977 |
| 56 | 12 | Senorito, Sandoval County, 1978 |
| 56 | 13 | State Highway 666 Timber Bridge, McKinley County, 1979 |
| 56 | 14 | Shakespeare Mining District, Shakespeare, Hidalgo County, 1879-1977 |
| 56 | 15 | Shandon, Sierra County, 1906-1977 |
| 56 | 16 | Shiprock Bridge, Shiprock, San Juan County, 1977 |
| 56 | 17 | Shumway Wash Bridge, east of Shiprock, San Juan County, 1977 |
| 56 | 18 | Silver City Mining District, General, Grant County, 1880-1975 |
| 56 | 19 | Silver City and Northern Railroad Company, Grant County, 1891-1978 |
| New Mexico, 1835-1988 and undated | ||
| 56 | 20 | Silver City, Deming, and Pacific Railroad, Grant and Luna Counties, 1978 |
| 56 | 21 | Silver City, Pinos Altos, Mogollon Railroad, grant County, 1976-1978 |
| 56 | 22 | Six Mile Dam, Eddy County, 1977 |
| 56 | 23 | Socorro County Mining District, General Socorro County, 1883-1975 |
| 56 | 24 | Socorro to Magdalena Spur of the Santa Fe Railroad, Socorro County, 1978 |
| 56 | 25 | Socorro Waterworks, Socorro County, 1888-1978 |
| 56 | 26 | Solano Water Stop, Atchison, Topeka, and Santa Fe Railroad, Solano, Harding County, 1977 |
| 56 | 27 | South Canyon Bridge, Magdalena, Socorro County, 1978 |
| 56 | 28 | South Plains and Santa Fe Railway, Lovington, Hobbs, Eunice, Lea County, 1978 |
| 56 | 29 | Southern Main Canal, Carlsbad Reclamation Project, Eddy County, 1961 |
| 56 | 30 | Southern Pacific Railroad, Grant, Hidalgo, Luna, Dona Ana Counties, 1970-1978 |
| 56 | 31 | Southern Pacific Railroad, Mosquero, Harding County, 1977 |
| 56 | 32 | Southwestern Brewery and Ice Company, Albuquerque, Bernalillo County, 1977 |
| 56 | 33 | Southwestern Railroad of New Mexico, Grant, Hidalgo, Luna, Dona Ana Counties, 1970-1978 |
| 56 | 34 | Spanish Arrastras Smelters, Mountainair, Torrance County, 1977 |
| 56 | 35 | Springer Railroad Bridge, Springer, Colfax County, 1977 |
| 56 | 36 | Springer Timber Bridge, Springer, Colfax County, 1978 |
| 56 | 37 | Stag Canyon Coal Mines, Dawson, Colfax County, 1909-1975 |
| 56 | 38 | Stateline Bridge, Union County, 1978 |
| 56 | 39 | Steeple Rock Mining District, Carlisle, Grant County, 1943-1977 |
| 56 | 40 | Steins (Kimball Mining District), Hidalgo County, 1975-1978 |
| 56 | 41 | Steins Peak Stagecoach Station, Hidalgo County, 1977 |
| 56 | 42 | St. Louis, Rocky Mountain and Pacific Railway, Union and Colfax Counties, 1946-1978 |
| 56 | 43 | Stone Family Irrigation System, Roswell, Chaves County, 1971-1978 |
| 56 | 44 | Stubblefield Dam, (Vermejo Reclamation Project), Colfax County, 1978 |
| 56 | 45 | St. Vrains Mill, Mora, Mora County, 1973-1977 |
| 56 | 46 | Sugarite, Colfax County, 1975-1978 |
| 56 | 47 | Sumner Dam (formerly Alamogordo Dam), Fort Sumner, De Baca County, 1978 |
| 56 | 48 | Swastika, Colfax County, 1975-1978 |
| 56 | 49 | Sylvanite, Hidalgo County, 1908-1977 |
| 56 | 50 | Taiban Bridge, west of Taiban, De Baca County, 1977 |
| 56 | 51 | Taiban Creek bridge, Taiban, De Baca County, 1977 |
| 56 | 52 | Tansill Dam, Carlsbad, Eddy County, 1908-1977 |
| 56 | 53 | Taos Pueblo Ditches, Taos Pueblo, Taos County, 1971 |
| 56 | 54 | Taos Pueblo Log Bridge, Taos Pueblo, Taos County, 1978 |
| 56 | 55 | Taylor Canyon Bridge, Socorro County, 1978 |
| 56 | 56 | Tecolotito Dam, San Miguel County, 1926-1977 |
| 56 | 57 | Telegraph (Tecumseh Lode), Grant County, 1977 |
| 56 | 58 | Telegraph Building, Roswell, Chaves County, 1977 |
| 56 | 59 | Tererro Tramway, Tererro, San Miguel County, 1977 |
| 56 | 60 | Tesuque Bridge, Tesuque, Santa Fe County, 1978 |
| 56 | 61 | Texas-New Mexico Railway, Jal, Hobbs, Lovington, Lea County, 1978 |
| 56 | 62 | Texas, Santa Fe, and Northern Railroad, Santa Fe and Rio Arriba Counties, 1978 |
| 56 | 63 | Theodore Wash Bridge, Newcomb, San Juan County, 1977 |
| 56 | 64 | Three Rivers Railroad Bridge, Three Rivers, Otero County, 1978 |
| 56 | 65 | Throttle Dam, near Raton, Colfax County, 1978 |
| New Mexico, 1835-1988 and undated | ||
| 56 | 66 | Tierra Blanca Mines, Sierra County, 1975-1977 |
| 56 | 67 | Tijeras Kiln, Tijeras, Bernalillo County, 1977 |
| 56 | 68 | Timber Bridge Number 2, McKinley County, 1979 |
| 56 | 69 | Tokay Coal Mines, Socorro County, 1977 |
| 56 | 70 | Tondre Winery, Los Lunas, Valencia County, 1977 |
| 56 | 71 | Tonque Arroyo Bridge, near Algodones, Sandoval County, 1977 |
| 56 | 72 | Torrance or Merrit Mine, Socorro, Socorro County, 1904-1977 |
| 56 | 73 | Trans-Mountain Diversion, San Juan-Chama Project, Rio Arriba County, 1977 |
| 56 | 74 | Tres Hermanas Mining District, Luna County, 1978 |
| 56 | 75 | Tres Piedras Bridge, Tres Piedras, Taos County, 1977 |
| 56 | 76 | Tres Piedras Railroad Water Tower, Tres Piedras, Taos County, 1962-1978 |
| 56 | 77 | Tres Ritos Pipeline, Three Rivers, Otero County, 1961-1977 |
| 56 | 78 | Trinity Site, Socorro County, 1946-1977 |
| 56 | 79 | Truchas Irrigation System, Rio Arriba County, 1954-1977 |
| 56 | 80 | Trujillo Arroyo Bridge, Arrey, Sierra County, 1977 |
| 56 | 81 | Trujillo Mill, Cordova, Rio Arriba County, 1977 |
| 56 | 82 | Tularosa Bridge, Tularosa, Otero County, 1978 |
| 56 | 83 | Tularosa Bridge Number 2, Tularosa, Otero County, 1978 |
| 56 | 84 | Tularosa Creek Bridge, Tularosa County, 1977 |
| 56 | 85 | Turley Mill and Distillery, Arroyo Hondo, Taos County, 1973-1977 |
| 56 | 86 | Twining Copper Mill and Smelter, Colfax County, 1951-1977 |
| 56 | 87 | Tyrone (Burro Mountain Mining Company), Grant County, 1952-1977 |
| 56 | 88 | Tyuonyi Ruin, Sandoval County, 1977 |
| 56 | 89 | United Salt Supply, Carlsbad, Eddy County, 1977 |
| 56 | 90 | United States Air Force EMP Aircraft Test Facility Trestle, Kirtland Air Force Base, Bernalillo County, 1976 |
| 56 | 91 | United States Geological Survey Tower, Sandoval County, 1977 |
| 56 | 92 | Ute Creek Bridge, Harding County, 1978 |
| 56 | 93 | Valedon, Hidalgo County, 1977 |
| 56 | 94 | Valmora Medical Center, Valmora, Mora County, 1978 |
| 56 | 95 | Valmora Railroad Bridge, Valmora, Mora County, 1978 |
| 56 | 96 | Van Houten, Colfax County, 1905-1978 |
| 56 | 97 | Variadero Bridge, Variadero, San Miguel County, 1977 |
| 56 | 98 | Vaughn Bridge, Vaughn, Guadalupe County, 1977 |
| 56 | 99 | Vaughn Bridge Number 2, Vaughn, Guadalupe County, 1977 |
| 56 | 100 | Vaughn Railroad Depot, Vaughn, Guadalupe County, 1978 |
| 56 | 101 | Velarde Bridge, Velarde, Rio Arriba County, 1977 |
| 56 | 102 | Velarde Bridge Number 2, Velarde, Rio Arriba County, 1977 |
| 56 | 103 | Vera Cruz, Lincoln County, 1977 |
| 56 | 104 | Vermejo Reclamation Project, Maxwell, Colfax County, 1961-1978 |
| 56 | 105 | Vermejo River Bridge, northeast of Cimarron, Colfax County, 1971 and undated |
| 56 | 106 | Vermejo River Bridge, French, Colfax County, 1977 |
| 56 | 107 | Vermejo River Bridge Number 2, Colfax County, 1978 |
| 56 | 108 | Vermejo River Timber Bridge, Colfax County, 1978 |
| 56 | 109 | Vigil Torreon, Ranchos de Los Taos, Taos County, 1975-1977 |
| 56 | 110 | Villanueva Bridge, Villanueva, San Miguel County, 1978 |
| 56 | 111 | Virginia City, Colfax County, 1975-1977 |
| 56 | 112 | Waldo Coal Mines, Santa Fe County, 1977 |
| 56 | 113 | Waldo Coke Ovens, Waldo, Santa Fe County, 1976-1977 |
| New Mexico, 1835-1988 and undated | ||
| 57 | 1 | West Puerta De Luna Irrigation Canal, Puerta De Luna, Guadalupe County, 1978 |
| 57 | 2 | West Side Canal, Rio Grande Reclamation Project, Dona Ana County, 1061-1978 |
| 57 | 3 | White Oaks Mining District, Lincoln County, 1906-1979 |
| 57 | 4 | White Oaks Coal Mine, Lincoln County, 1978 |
| 57 | 5 | White Oaks Power Plant, Lincoln County, 1978 |
| 57 | 6 | White Sands Missile Range, Dona Ana County, 1948-1978 |
| 57 | 7 | Whitewater Canyon Pipeline, Glenwood, Catron County, 1901-1977 |
| 57 | 8 | Whitewater Creek Bridge, Glenwood, Catron County, 1978 |
| 57 | 9 | Winston (Fairview), Sierra County, 1975 |
| 57 | 10 | Witt Dry Ice Plant, Witt, Torrance County, 1977 |
| 57 | 11 | Wolf Creek Bridge, Rio Arriba County, 1979 |
| 57 | 12 | Yale Reservoir, Albuquerque, Bernalillo County, 1975-1978 |
| 57 | 13 | Yankee, Colfax County, 1975 |
| 57 | 14 | Yaples Arroyo Bridge, Truth or Consequences, Sierra County, 1977 |
| 57 | 15 | Yellow Arroyo Bridge, San Juan County, 1978 |
| 57 | 16 | Yeso Bridge, De Baca County, 1978 |
| 57 | 17 | Zuni Dam, near Zuni, McKinley County, 1927-1978 |
| 57 | 18 | Zuni Mountain Railroad, McKinley and Valencia Counties, 1970-1978 |
| 57 | 19 | Zuni Salt Lake, Quemado, Catron County, 19551-977 |
| Historic Engineering Site Inventory - General Files, 1977 and undated | ||
| 57 | 20 | Applications for Employment, 1977 |
| 57 | 21 | Article Listing, undated |
| 57 | 22 | Bridges, undated |
| 57 | 23 | Completed Form A, Site Listing, 1977 |
| Historic Engineering Site Inventory - General Files, 1895-1979 | ||
| 57 | 24 | Cultural Properties Committee, 1977 |
| 57 | 25 | Directories and Data, 1976-1979 |
| 57 | 26 | Definition Guidelines, 1977 |
| 57 | 27 | Environmental Agencies, 1971 |
| 57 | 28 | Field Investigation Reports, 1977-1978 |
| 57 | 29 | Field Visitation, 1977-1978 |
| 57 | 30 | Form A, undated |
| 57 | 31 | Indian Letter Form, undated |
| 57 | 32 | Texas Tech University History of Engineering Form Examples, 1976-1977 |
| 57 | 33 | In-House Memos, 1977-1978 |
| 57 | 34 | Measured Drawings, 1977 |
| 57 | 35 | Military Contacts, undated |
| 57 | 36 | Mining, 1904-1977 |
| 57 | 37 | National Register of Historic Place Nomination Status Check List, 1978 |
| 57 | 38 | News Items, 1977 |
| 57 | 39 | Obsolete Bridges, undated |
| 57 | 40 | Potential Computer Operations, 1978 |
| 57 | 41 | Potential Sites, 1895-1977 |
| 57 | 42 | Preliminary Research Plan, 1977 |
| 57 | 43 | Print out, Preface, and Title Page, 1978-1979 |
| 57 | 44 | Printed Material: Various Tourist Brochures, undated |
| 57 | 45 | Property Inventory by County, 1978 |
| 57 | 46 | Proposal: Phase I, 1976 |
| 57 | 47 | Proposal: Phase II, 1977-1979 |
| New Mexico, 1835-1988 and undated | ||
| 57 | 48 | Quarterly Reports, 1977-1979 |
| 57 | 49 | Questionnaire Responses, undated |
| 57 | 50 | Reference Bibliography, Historical Atlas of New Mexico, 1961-1977 |
| 57 | 51 | Research Services, 1977 |
| Historic Engineering Site Inventory - General Files, 1895-1979 | ||
| 57 | 52 | Reservoirs and Lakes, New Mexico Engineers Office, 1979 |
| 57 | 53 | Sample Cover Letters and Questionnaire Date, 1977-1978 |
| 57 | 54 | Site list, 1978-1979 |
| 57 | 55 | Sites with UTM Coordinates or Longitude, 1977-1978 |
| 58 | 1 | Site Inventory, Spreadsheet Data, 1979 |
| 58 | 2 | Slide Presentation, 1978 |
| 58 | 3 | Slide Show Script and Audio Tape Reel, undated |
| 58 | 4 | State Highway Bridge List, 1912-1977 |
| 58 | 5 | State Highway Department, General, 1883-1977 |
| 58 | 6 | State Planning and Development Districts, 1969 |
| 58 | 7 | Travel Documents, 1978 |
| 58 | 8 | Xeroxing Bibliography, 1977 |
| Artesia Historic Building Inventory, 1912-1983 and undated | ||
| 58 | 9 | Bullock Street, undated |
| 58 | 10 | Carper Street, undated |
| 58 | 11 | Center Street, undated |
| 58 | 12 | Chisum Street, undated |
| 58 | 13 | Cleveland Street, undated |
| 58 | 14 | Dallas Street, undated |
| 58 | 15 | Gage Street, undated |
| 58 | 16 | Garst Street, undated |
| 58 | 17 | Grand Street, undated |
| 58 | 18 | Hermosa Street, undated |
| 58 | 19 | Kemp/Freeman Street, undated |
| 58 | 20 | Logan and Mosley Streets, undated |
| 58 | 21 | Main Street, undated |
| 58 | 22 | Merchant Street, undated |
| 58 | 23 | Missouri Street, undated |
| 58 | 24 | Osborne Street, undated |
| 58 | 25 | Quay/Quail Street, undated |
| 58 | 26 | Richardson Street, undated |
| 58 | 27 | Rose Lawn, undated |
| 58 | 28 | Runya Street, undated |
| 58 | 29 | Sherman Street, undated |
| 58 | 30 | Texas Street, undated |
| 58 | 31 | Various Miscellaneous Streets, undated |
| 58 | 32 | Washington Street, undated |
| 58 | 33 | 1st Street, undated |
| 58 | 34 | 2nd Street, undated |
| 58 | 35 | 3rd Street, undated |
| 58 | 36 | 4th Street, undated |
| 58 | 37 | 5th Street, undated |
| 58 | 38 | 6th Street, undated |
| New Mexico, 1835-1988 and undated | ||
| Artesia Historic Building Inventory, 1912-1983 and undated | ||
| 58 | 39 | 7th Street, undated |
| 58 | 40 | 8th Street, undated |
| 58 | 41 | 9th Street, undated |
| 58 | 42 | 10th Street, undated |
| 58 | 43 | 11th Street, undated |
| 58 | 44 | 13th Street, undated |
| 58 | 45 | National Register Nominations: Artificial Stone Houses of Artesia Thematic Group, 1983 |
| 58 | 46 | The Ward Building, 1912-1985 |
| 58 | 47 | Research Material: Artesia: Heart of the Pecos, Church Histories (photocopied excerpts), undated |
| 58 | 48 | Research Material: Artesia City Directory 1947-1948 (photocopies) |
| Carlsbad Historic Building Inventory, 1942-1980 and undated | ||
| 59 | 1 | Alameda Street, undated |
| 59 | 2 | Ash Street, undated |
| 59 | 3 | Blodgett Street, undated |
| 59 | 4 | Blonson Street, undated |
| 59 | 5 | Bonbright, undated |
| 59 | 6 | Canyon Street, undated |
| 59 | 7 | Church Street, undated |
| 59 | 8 | Cypress Street, undated |
| 59 | 9 | Elm Street, undated |
| 59 | 10 | Fox Street, undated |
| 59 | 11 | Green Street, undated |
| 59 | 12 | Guadalupe Street, undated |
| 59 | 13 | Hagerman Complex, 1984 |
| 59 | 14 | Hagerman, Hillcrest, and Hudson Streets, undated |
| 59 | 15 | Halagueno Street, undated |
| 59 | 16 | Hickory Street, undated |
| 59 | 17 | Idaho, Iona, Iowa, and Iris Streets, undated |
| 59 | 18 | Irvin Street, undated |
| 59 | 19 | Lake Street, undated |
| 59 | 20 | Lea Street, undated |
| 59 | 21 | Luckey Street, undated |
| 59 | 22 | Maple Street, undated |
| 59 | 23 | McKay Street, undated |
| 59 | 24 | Mermod Street, undated |
| 59 | 25 | Mesa Street, undated |
| 59 | 26 | Main Street, undated |
| 59 | 27 | Mesquite Street, undated |
| 59 | 28 | National Park Highway, undated |
| 59 | 29 | North Canal Street, undated |
| 59 | 30 | Olive Street, undated |
| 59 | 31 | Pierce Street, undated |
| 59 | 32 | Shaw Street, undated |
| 59 | 33 | Stevens Street, undated |
| 59 | 34 | Texas Street, undated |
| New Mexico, 1835-1988 and undated | ||
| Carlsbad Historic Building Inventory, 1942-1980 and undated | ||
| 59 | 35 | Transill Street, undated |
| 59 | 36 | Walnut Street, undated |
| 59 | 37 | 1st and 2nd Streets, undated |
| 59 | 38 | 3rd and 4th Streets, undated |
| 59 | 39 | 5th and 6th Streets, undated |
| 59 | 40 | 7th and 8th Streets, undated |
| 59 | 41 | 9th and 10th Streets, undated |
| 59 | 42 | A-F Streets, undated |
| 59 | 43 | Hamilton, Jackson, and Labeoide Streets (H-L Streets), undated |
| 59 | 44 | N-P Streets, undated |
| 59 | 45 | R-Z Streets, undated |
| 59 | 46 | Forms without Photographs, 1980 |
| 60 | 1 | Notes, undated |
| 60 | 2 | Research Material, 1963-1976 |
| 60 | 3 | Research Material, Carlsbad City Directory, 1942 and 1946 |
| 60 | 4 | Causey Historic Building Inventory, Roosevelt County, 1980 |
| Chaves County Historic Building Inventory, 1980 | ||
| 60 | 5 | Rural Sites (Forms), 1980 |
| 60 | 6 | Rural Sites (Forms), 1980 |
| 60 | 7 | Photograph Log, 1980 |
| 60 | 8 | Dexter Historic Building Inventory, Chaves County, 1980 |
| 60 | 9 | Dora Historic Building Inventory, Roosevelt County, 1980 |
| Eddy County Historic Building Inventory, 1890-1984 and undated | ||
| 60 | 10 | Rural Sites (Forms), 1984 |
| 60 | 11 | Washington Ranch, 1972-1983 |
| 60 | 12 | Maps and U.T.M. Information, 1984 |
| 60 | 13 | National Register Nomination Photographs (includes Artesia and Carlsbad), undated |
| 60 | 14 | Notes, 1976 and undated |
| 60 | 15 | Photograph Log (includes Artesia and Carlsbad), undated |
| 60 | 16 | Photograph Log (includes Artesia and Carlsbad), 1984 |
| 61 | 1 | Photograph Log (includes Artesia and Carlsbad), 1984 |
| 61 | 2 | Photograph Log and Historical Data, 1984 |
| 61 | 3 | Photograph Contact Sheets (includes Artesia and Carlsbad), circa 1984 |
| 61 | 4 | Photograph Contact Sheets (includes Artesia and Carlsbad), circa 1984 |
| 61 | 5 | Research Material from Eddy County…a Fond Look Back, undated |
| 61 | 6 | Research Material from Eddy County to 1981, Eddy County Historical Society, 1982 |
| 61 | 7 | Research Material, various sources, 1890-1976 and undated |
| 61 | 8 | Research Material, various sources, 1939-1978 |
| 61 | 9 | Short Form for New Mexico Historic Building Inventory, Eddy County, 1984 |
| 61 | 10 | Elida Historic Building Inventory, Roosevelt County, 1980 |
| 61 | 11 | Floyd Historic Building Inventory, Roosevelt County, 1980 |
| 61 | 12 | Hagerman Historic Building Inventory, Chaves County, 1980 |
| 61 | 13 | Kenna Historic Building Inventory, Roosevelt County, 1980 |
| New Mexico, 1835-1988 and undated | ||
| 61 | 14 | Lake Arthur Historic Building Inventory, Chaves, County, 1980 |
| 61 | 15 | Lingo Historic Building Inventory, Roosevelt County, 1980 |
| 61 | 16 | Milnesand Historic Building Inventory, Roosevelt County, 1980 |
| 61 | 17 | Pep Historic Building Inventory, Roosevelt County, 1980 |
| Portales Historic Building Inventory, 1980 | ||
| 61 | 18 | North Abilene Street, 1980 |
| 61 | 19 | Abilene Street, 1980 |
| 61 | 20 | Amazon Street, 1980 |
| 61 | 21 | North Austin Street, 1980 |
| 61 | 22 | North Avon Street, 1980 |
| 61 | 23 | North Boston Street, 1980 |
| 61 | 24 | North Boulder Street, 1980 |
| 61 | 25 | South Boulder Street, 1980 |
| 61 | 26 | Brazos Street, 1980 |
| 61 | 27 | Canadian Street, 1980 |
| Portales Historic Building Inventory, 1980 | ||
| 61 | 28 | North Chicago Street, 1980 |
| 61 | 29 | South Chicago Street, 1980 |
| 61 | 30 | East Commercial Street, 1980 |
| 61 | 31 | South Dallas Street, 1980 |
| 61 | 32 | Danube Street, 1980 |
| 61 | 33 | East Elbe Street, 1980 |
| 61 | 34 | South Elgin Street, 1980 |
| 61 | 35 | North Farrar Street, 1980 |
| 61 | 36 | East Fir Street, 1980 |
| 61 | 37 | West Fir Street, 1980 |
| 61 | 38 | South Globe Street, 1980 |
| 61 | 39 | West Gum Street, 1980 |
| 61 | 40 | West Hickory Street, 1980 |
| 61 | 41 | South Avenue K, 1980 |
| 61 | 42 | North Avenue L, 1980 |
| 61 | 43 | North Avenue M, 1980 |
| 61 | 44 | North M Place, 1980 |
| 61 | 45 | North Avenue O, 1980 |
| 61 | 46 | East 1st Street, 1980 |
| 61 | 47 | West 1st Street, 1980 |
| 61 | 48 | East 2nd Street, 1980 |
| 61 | 49 | West 2nd Street, 1980 |
| 61 | 50 | East 3rd Street, 1980 |
| 61 | 51 | West 3rd Street, 1980 |
| 61 | 52 | West 4th Street, 1980 |
| 61 | 53 | East 5th Street, 1980 |
| 62 | 1 | West 5th Street, 1980 |
| 62 | 2 | East 6th Street, 1980 |
| 62 | 3 | West 6th Street, 1980 |
| 62 | 4 | East 7th Street, 1980 |
| 62 | 5 | West 7th Street, 1980 |
| 62 | 6 | East 8th Street, 1980 |
| New Mexico, 1835-1988 and undated | ||
| Portales Historic Building Inventory, 1980 | ||
| 62 | 7 | West 8th Street, 1980 |
| 62 | 8 | East 9th Street, 1980 |
| 62 | 9 | West 9th Street, 1980 |
| 62 | 10 | West 10th Street, 1980 |
| 62 | 11 | West 14th Street, 1980 |
| 62 | 12 | West 14th Lane, 1980 |
| 62 | 13 | West 15th Street, 1980 |
| 62 | 14 | West 16th Street, 1980 |
| 62 | 15 | West 16th Lane, 1980 |
| 62 | 16 | West 17th Street, 1980 |
| 62 | 17 | West 17th Lane, 1980 |
| 62 | 18 | East 18th Street, 1980 |
| 62 | 19 | West 18th Street, 1980 |
| 62 | 20 | North Indio Street, 1980 |
| 62 | 21 | East Ivy Street, 1980 |
| 62 | 22 | West Ivy Street, 1980 |
| 62 | 23 | East Juniper Street, 1980 |
| 62 | 24 | West Juniper Street, 1980 |
| 62 | 25 | East Kaywood Street, 1980 |
| 62 | 26 | West Kaywood Street, 1980 |
| 62 | 27 | Lea Hall, Eastern New Mexico University, 1980 |
| 62 | 28 | East Lime Street, 1980 |
| 62 | 29 | West Lime Street, 1980 |
| 62 | 30 | North Main Street, 1980 |
| 62 | 31 | South Main Street, 1980 |
| 62 | 32 | East Maple Street, 1980 |
| 62 | 33 | North Nogol Street, 1981 |
| 62 | 34 | University Drive, 1980 |
| 62 | 35 | North Avenue A, 1980 |
| 62 | 36 | South Avenue A, 1980 |
| 62 | 37 | North Avenue B, 1980 |
| 62 | 38 | South Avenue B, 1980 |
| 62 | 39 | North Avenue C, 1980 |
| 62 | 40 | South Avenue C, 1980 |
| 62 | 41 | South Avenue D, 1980 |
| 62 | 42 | North Avenue E, 1980 |
| 62 | 43 | South Avenue E, 1980 |
| 62 | 44 | North Avenue F, 1980 |
| 62 | 45 | South Avenue F, 1980 |
| 62 | 46 | South Avenue G, 1980 |
| 62 | 47 | South Avenue H, 1980 |
| 62 | 48 | North Avenue I, 1980 |
| 62 | 49 | South Avenue I, 1980 |
| 62 | 50 | North Avenue J, 1980 |
| 62 | 51 | South Avenue J, 1980 |
| 62 | 52 | North Avenue K, 1980 |
| 62 | 53 | Various Streets (Field Forms), 1980 |
| 62 | 54 | Various Streets (Field Forms), 1980 |
| New Mexico, 1835-1988 and undated | ||
| Portales Historic Building Inventory, 1980 | ||
| 62 | 55 | Business Shops and Homes, 1980 |
| 62 | 56 | Roosevelt County Fairgrounds, 1980 |
| 62 | 57 | Roosevelt County Government Buildings, 1980 |
| 62 | 58 | Photograph Logs, 1980 |
| 62 | 59 | Rogers Historic Building Inventory, 1980 |
| Roosevelt County Historic Building Inventory, 1980 | ||
| 63 | 1 | Rural Sites (Forms), 1980 |
| 63 | 2 | Rural Sites (Forms), 1980 |
| 63 | 3 | Photograph Logs, 1980 |
| 63 | 4 | Photograph Logs, 1980 |
| Roswell Historic Building Inventory, 1979-1980 | ||
| 63 | 5 | Albuquerque Street, 1980 |
| 63 | 6 | West Albuquerque Street, 1980 |
| 63 | 7 | East Alameda Street, 1980 |
| 63 | 8 | West Alameda Street, 1980 |
| 63 | 9 | South Aspen Street, 1980 |
| 63 | 10 | North Atkinson Street, 1980 |
| 63 | 11 | South Atkinson Street, 1980 |
| 63 | 12 | Ash Street, 1980 |
| 63 | 13 | Bland East Street, 1980 |
| 63 | 14 | Bland West Street, 1980 |
| 63 | 15 | Cahoon Park, 1979 |
| 63 | 16 | North Cambridge - 1700 to 1800 Block, 1980 |
| 63 | 17 | Cherry Street, 1980 |
| 63 | 18 | East Chisum Street, 1980 |
| 63 | 19 | West Chisum Street, 1980 |
| 63 | 20 | Cole Street, 1980 |
| 63 | 21 | East College Street, 1980 |
| 63 | 22 | West College Street, 1980 |
| 63 | 23 | East Country Club, 1980 |
| 63 | 24 | West Country Club, 1980 |
| 63 | 25 | East Deming, 1980 |
| 63 | 26 | West Deming, 1980 |
| 63 | 27 | North Delaware, 1980 |
| 63 | 28 | South Delaware, 1980 |
| 63 | 29 | Eldora Street, 1980 |
| 63 | 30 | South Elm Street, 1980 |
| 63 | 31 | East Forest Street, 1980 |
| 63 | 32 | West Forest Street, 1980 |
| 63 | 33 | North Garden Street, 1980 |
| 63 | 34 | South Garden Street, 1980 |
| 63 | 35 | Gayle Street, 1980 |
| 63 | 36 | North Grand Street, 1980 |
| 63 | 37 | South Grand Street, 1980 |
| 63 | 38 | Hahn Street, 1980 |
| 63 | 39 | East Hendricks Street, 1980 |
| 63 | 40 | West Hendricks Street, 1980 |
| New Mexico, 1835-1988 and undated | ||
| Roswell Historic Building Inventory, 1979-1980 | ||
| 63 | 41 | Highland Road Street, 1980 |
| 63 | 42 | East Jefferson Street, 1980 |
| 63 | 43 | West Juniper Street, 1980 |
| 63 | 44 | North Kansas Street, 1980 |
| 63 | 45 | North Kansas Street, 1980 |
| 63 | 46 | South Kansas Street, 1980 |
| 63 | 47 | North Kentucky - 100 Block, 1979 |
| 63 | 48 | North Kentucky Street, 1979 |
| 63 | 49 | North Kentucky Street, 1980 |
| 63 | 50 | South Kentucky Street, 1980 |
| 63 | 51 | Lea Street, 1980 |
| 63 | 52 | North Lea Street, 1979 |
| 63 | 53 | North Lea Street, 1980 |
| 63 | 54 | South Lea Street, 1980 |
| 63 | 55 | North Main Street, 1980 |
| 63 | 56 | South Main Street, 1980 |
| 64 | 1 | North Maple Street, 1980 |
| 64 | 2 | North Maryland Street, 1980 |
| 64 | 3 | East Matthews Street, 1980 |
| 64 | 4 | West Matthews Street, 1980 |
| 64 | 5 | East McGaffey Street, 1980 |
| 64 | 6 | West McGaffey Street, 1980 |
| 64 | 7 | East and West Mescalero Street, 1980 |
| 64 | 8 | Mesa Street, 1980 |
| 64 | 9 | North Michigan Street, 1980 |
| 64 | 10 | North Michigan Street, 1980 |
| 64 | 11 | South Michigan Street, 1980 |
| 64 | 12 | North Missouri Street, 1980 |
| 64 | 13 | North Missouri Street, 1980 |
| 64 | 14 | South Missouri Street, 1980 |
| 64 | 15 | North Montana Street, 1980 |
| 64 | 16 | South Montana Street, 1980 |
| 64 | 17 | Morning Sides Street, 1980 |
| 64 | 18 | South Mulberry Street, 1980 |
| 64 | 19 | New Mexico Military Institute, 1980 |
| 64 | 20 | New Mexico Military Institute, 1980 |
| 64 | 21 | North Ohio Street, 1980 |
| 64 | 22 | South Ohio Street, 1980 |
| 64 | 23 | North Orchard Street, 1980 |
| 64 | 24 | Park Road, 1980 |
| 64 | 25 | Peach Street, 1980 |
| 64 | 26 | Pear Street, 1980 |
| 64 | 27 | North Pennsylvania Street, 1980 |
| 64 | 28 | South Pennsylvania Street, 1980 |
| 64 | 29 | Plum Street, 1980 |
| 64 | 30 | Poe Street, 1980 |
| 64 | 31 | Prairie Street, 1980 |
| New Mexico, 1835-1988 and undated | ||
| Roswell Historic Building Inventory, 1979-1980 | ||
| 64 | 32 | Railroad Avenue, 1980 |
| 64 | 33 | East Reed Street, 1980 |
| 64 | 34 | West Reed Street, 1980 |
| 64 | 35 | North Richardson Street, 1979 |
| 64 | 36 | South Richardson Street, 1980 |
| 64 | 37 | Riverside Street, 1980 |
| 64 | 38 | Shartelle Street, 1980 |
| 64 | 39 | Sherman Street, 1980 |
| 64 | 40 | East Summit Street, 1980 |
| 64 | 41 | West Summit Street, 1980 |
| 64 | 42 | Sunset Street, 1980 |
| 64 | 43 | Sunshine Street, 1980 |
| 64 | 44 | South Spruce Street, 1980 |
| 64 | 45 | Texas Street, 1980 |
| 64 | 46 | East Tilden Street, 1980 |
| 64 | 47 | Tilden Street, 1980 |
| 64 | 48 | North Union Street, 1980 |
| 64 | 49 | North Union Street, 1980 |
| 64 | 50 | South Union Street, 1980 |
| 64 | 51 | Van Buren Street, 1980 |
| 64 | 52 | North Virginia Street, 1980 |
| 64 | 53 | South Virginia Street, 1980 |
| 64 | 54 | North Washington Street, 1980 |
| 64 | 55 | North Washington Street, 19080 |
| 64 | 56 | North Washington Street, 1980 |
| 64 | 57 | South Washington Street, 1980 |
| 64 | 58 | East Walnut Street, 1980 |
| 64 | 59 | West Walnut Street, 1980 |
| 64 | 60 | West Wildy Street, 1980 |
| 64 | 61 | West First Street, 1980 |
| 64 | 62 | East Second Street, 1980 |
| 64 | 63 | West Second Street, 1980 |
| 64 | 64 | East Third Street, 1980 |
| 64 | 65 | West Third Street, 1980 |
| 64 | 66 | East Fourth Street, 1980 |
| 64 | 67 | West Fourth Street, 1980 |
| 64 | 68 | East Fifth Street, 1980 |
| 64 | 69 | West Fifth Street, 1980 |
| 64 | 70 | East Sixth Street, 1980 |
| 64 | 71 | West Sixth Street, 1980 |
| 64 | 72 | East Seventh Street, 1980 |
| 64 | 73 | West Seventh Street, 1980 |
| 64 | 74 | East Eighth Street, 1980 |
| 64 | 75 | West Eighth Street, 1980 |
| 64 | 76 | West Ninth Street, 1980 |
| 64 | 77 | East Tenth Street, 1980 |
| 64 | 78 | West Tenth Street, 1980 |
| 64 | 79 | West Eleventh Street, 1980 |
| New Mexico, 1835-1988 and undated | ||
| Roswell Historic Building Inventory, 1979-1980 | ||
| 64 | 80 | East Twelfth Street, 1980 |
| 64 | 81 | West Twelfth Street, 1980 |
| 64 | 82 | West Thirteenth Street, 1980 |
| 64 | 83 | West Fourteenth Street, 1980 |
| 64 | 84 | West Sixteenth Street, 1980 |
| 64 | 85 | West Seventeenth Street, 1980 |
| 64 | 86 | West Eighteenth Street, 1980 |
| 64 | 87 | East Nineteenth Street, 1980 |
| 64 | 88 | West Nineteenth Street, 1980 |
| 64 | 89 | East Twenty-Third Street, 1980 |
| 64 | 90 | East Twenty-Fourth Street, 1980 |
| 65 | 1 | Various Streets (Field Forms), 1979-1980 |
| 65 | 2 | Various Streets (Field Forms), 1979-1980 |
| 65 | 3 | Various Streets (Field Forms), 1979-1980 |
| 65 | 4 | Various Streets (Field Forms), 1979-1980 |
| 65 | 5 | Various Streets (Field Forms), 1980 |
| 66 | 1 | Various Streets (Field Forms), 1980 |
| 66 | 2 | Store Buildings and Homes, 1980 |
| 66 | 3 | Photograph Logs, 1979-1980 |
| 66 | 4 | Photograph Logs, 1979-1980 |
| 66 | 5 | Photograph Logs, JA1-25, 1980 |
| 66 | 6 | Photograph Logs, 1980 |
| 66 | 7 | Tolar Historic Building Survey, Roosevelt County, 1980 |
| Historic American Engineering Record, 1971-1972 | ||
| 66 | 8 | Inventory of Sites Documented, 1972 |
| Research on the History of Water Supply Systems in the American Southwest | ||
| 66 | 9 | Acequia Madre of Santa Fe, 1972 |
| 66 | 10 | “The Big Ditch”, 1971 |
| 66 | 11 | Captain John Popes Artesian Well Experiments, 1971 |
| 66 | 12 | Cooks Spring, 1971 |
| 66 | 13 | Elephant Butte Reservoir, 1971 |
| 66 | 14 | Hondo Project, 1971 |
| 66 | 15 | La Cueva Mill, 1971 |
| 66 | 16 | Lake Avalon (Part of the Carlsbad Project) |
| 66 | 17 | Las Trampas Canoa, 1972 |
| 66 | 18 | Northern Canal, 1971 |
| 66 | 19 | Raton Water Works, 1971 |
| 66 | 20 | Santa Fe Water Works Reservoir, 1971 |
| 66 | 21 | Stone Family Irrigation System, 1971 |
| 66 | 22 | Taos Pueblo Ditches, 1972 |
| 66 | 23 | Literary Production: “The Survey of the Santa Fe Trail”, by T. Lindsay Baker, Great Plains Journal XIV, 2:210-234, 1973-1975 |
| New Mexico, 1835-1988 and undated | ||
| Printed Material | ||
| 66 | 24 | New Mexico Historic Building Inventory Manual, Part II, by New Mexico Historic Preservation Office and the University of New Mexico School of Architecture and Planning, 1980 |
| 66 | 25 | Water Resources of New Mexico: Occurrence, Development, and Use, by New Mexico State Engineer Office, 1967 |
| Utah, 1880-1974 and undated | ||
| 66 | 26 | American Fork Power Plants, near American Fork, 1902-1974 |
| 66 | 27 | Antelope Island Salt Vats, Antelope Island, Davis County, 1974 |
| 66 | 28 | Battle Creek Hydroelectric Plant, north of Provo, 1908-1974 |
| 66 | 29 | Bear River Irrigation Systems, near Bear River City, Box Elder County, 1896-1913 |
| 66 | 30 | Beaver Valley Irrigation System, Milford, Beaver County, 1895 |
| 66 | 31 | Benson Mill, near Mills Junction, Toole County, 1974 |
| 66 | 32 | Big Cottonwood Creek Hydroelectric Plant, Salt Lake County, 1896 |
| 66 | 33 | Bingham Canyon Open Pit Copper Mine, near Salt Lake City,Salt Lake County, 1971 |
| 66 | 34 | Bingham Mining District - General, Bingham, 1879-1908 |
| 66 | 35 | Telegraph Mine, Bingham Mining District, Bingham, undated |
| 66 | 36 | Utah Copper Company Mills, Bingham Mining District, Bingham, 1918 |
| 66 | 37 | Book Cliffs Coal Mine, Carbon County, 1914 |
| 66 | 38 | Brigham City Power Plant, Brigham City, 1905 |
| 66 | 39 | Carson Stagecoach Inn, Fairfield, Utah County, 1972 |
| 66 | 40 | Castle Gate Coal Mine and Power Plant, Castle Gate, Carbon County, 1890 |
| 66 | 41 | Coalville Cola Mines, Summit County, undated |
| 66 | 42 | Cove Creek Sulphur Mines, near Cove Fort, Millard County, 1883 |
| 66 | 43 | Deseret Telegraph and Post Office, Rockville, Washington County, 1974 |
| 66 | 44 | East Canyon Creek Dam, East Canyon Creek, near Morgan, 1852-1974 |
| 66 | 45 | Emma Mine, Salt Lake County, 1875-1974 |
| 66 | 46 | Germania Smelter, undated |
| 66 | 47 | Golden Spike National Historic Site, Promontory, Box Elder County, 1972 |
| 66 | 48 | Granite Paper Mill, Salt Lake City, 1972 |
| 66 | 49 | Hamptons Ford Stage Stop, near Collinston, Box Elder County, 1974 |
| 66 | 50 | Heber Light and Power Company 1909 Hydroelectric Plant, near Heber City, 1971 |
| 66 | 51 | Horn Silver Mine, near Milford Junction, Beaver County, 1879-1974 |
| 66 | 52 | Isaac Chase Mill, Salt Lake City, Salt Lake County, 1972 |
| 66 | 53 | Jordan Narrows Irrigation and Hydroelectric System, Salt Lake and Utah Counties, 1971 and undated |
| 66 | 54 | Kimball Stage Stop, near Park City, Summit County, 1972 |
| 66 | 55 | Little Dell Station, near Salt Lake City, 1974 |
| 66 | 56 | Marsac Refinery, Park City, 1892-1974 |
| 66 | 57 | Mercer Mining District - General, 1896 |
| 66 | 58 | Golden Gate Mill, Mercur Mining District, Mercur, 1898 |
| 66 | 59 | Mercur Gold Mine, Mercur Mining District, Mercur, 1892 |
| 66 | 60 | Mercur Waterworks, Mercur, 1895 |
| 66 | 61 | Mill Creek Power Plants, Mill Creek, near Salt Lake City, 1913 |
| 66 | 62 | Mormon Irrigation at Salt Lake City, Salt Lake City County, 1971 |
| 66 | 63 | Mormon Tabernacle, Salt Lake City, Salt Lake County, 1895 |
| Utah, 1880-1974 and undated | ||
| 66 | 64 | Mount Nebo Reservoir, near Mona, 1896-1971 |
| 66 | 65 | Ogden-Lucin Cut-Off Trestle, Southern Pacific Railroad, west of Ogden, Box Elder County, 1974 |
| 66 | 66 | Ogden Power Plant, Pioneer Electric Power Company, Ogden,Box Elder County, 1894-1974 |
| 66 | 67 | Ogden Union Depot, Ogden, Box Elder County, 1974 |
| 67 | 1 | Ogden Waterworks, Ogden, Box Elder County, 1891-1974 |
| 67 | 2 | Old Irontown, Iron County, 1972 |
| 67 | 3 | Olmstead Station Power House, north of Provo, 1974 |
| 67 | 4 | Ontario Mine and Mill, Summit County, 1878-1974 |
| 67 | 5 | Oregon Short Line Railroad, western Utah, undated |
| 67 | 6 | Piute Dam, Sevier River, Piute County, 1913-1915 |
| 67 | 7 | Portland Cement Plants, near Salt Lake City and Ogden, 1908-1910 |
| 67 | 8 | Price Irrigation System, near Price, 1912 |
| 67 | 9 | Provo Irrigation System, near Provo, 1915 |
| 67 | 10 | Provo Waterworks, Provo, 1913 |
| 67 | 11 | Rio Grande Western Railway, Grande Junction Colorado to Odgen Utah, undated |
| 67 | 12 | Riverdale Hydroelectric Plant, near Ogden, undated |
| 67 | 13 | Rocky Mountain Telephone Building, Salt Lake City, 1907 |
| 67 | 14 | Salt Lake and Mercur Railroad, Salt Lake City to Mercur, undated |
| 67 | 15 | Salt Lake City Courthouse, Salt Lake City, Salt Lake County, 1893 |
| 67 | 16 | Salt Lake City Municipal Engineering, Salt Lake City, 1892 |
| 67 | 17 | Salt Lake City Sewage System, Salt Lake City, Salt Lake County, 1894 |
| 67 | 18 | Salt Lake City Waterworks, Salt Lake City, Salt Lake County, 1916-1927 |
| 67 | 19 | Saltair Beach Bathing Resort, Great Salt Lake, Tooele County, 1895-1974 |
| 67 | 20 | San Pedro, Los Angeles, and Salt Lake Railroad, undated |
| 67 | 21 | Sevier Bridge Dam, Sevier River, Juab County, 1909-1974 |
| 67 | 22 | Silver Reef Mining District - General, Washington County, 1879-1885 |
| 67 | 23 | Stormont Mine, Silver Reef Mining District, Washington County, 1880-1885 |
| 67 | 24 | Snake Creek Tunnel, Park City, 1912 |
| 67 | 25 | Storrs Coal Mine, near Helper, Carbon County, 1914 |
| 67 | 26 | Strawberry Project, Wasatch County, 1905-1971 |
| 67 | 27 | Stockton Mining District - General, Stockton, undated |
| 67 | 28 | Swan Lake Irrigation System, near Clear Lake, 1895 |
| 67 | 29 | Utah Central Railroad, Salt Lake City to Park City |
| 67 | 30 | Washington Cotton Factory, Washington, 1971 |
| 67 | 31 | Weber River Hydroelectric Plant, near Ogden, 1910 |
| 67 | 32 | Wells Fargo and Company Express Building, Silver Reef, 1971 |
| Historic American Engineering Record, 1971-1972 | ||
| 67 | 33 | Inventory of Sites Documented, 1972 |
| Research on the History of Water Supply Systems in the American Southwest | ||
| 67 | 34 | Heber Light and Power Company 1909 Hydroelectric Plant, 1971 |
| 67 | 35 | Jordan Narrows Irrigation and Hydroelectric System, 1972 |
| 67 | 36 | Mormon Irrigation - Salt Lake City, 1971 |
| 67 | 37 | Mount Nebo Reservoir, 1971 |
| 67 | 38 | Engineering - General (Map), undated |
| Utah, 1880-1974 and undated | ||
| 67 | 39 | Irrigation - General - Engineering - General, 1959 |
| 67 | 40 | Mining - General - Engineering - General, 1892-1910 |
| History of Engineering Program, 1971-1981 | ||
| 67 | 41 | Administrative File, 1972-1974 |
| 67 | 42 | Bridge Evaluation Sheet, 1977 |
| 67 | 43 | Correspondence, 1975 |
| 67 | 44 | Correspondence and General Matters, 1974 |
| 67 | 45 | Correspondence and General Matters, 1975 |
| 67 | 46 | Correspondence and General Matters, 1976-1977 |
| 67 | 47 | Correspondence from T. Lindsay Baker, 1971-1973 |
| 67 | 48 | Correspondence from T. Lindsay Baker, 1974 |
| 67 | 49 | Correspondence from T. Lindsay Baker, 1975 |
| 67 | 50 | Correspondence from T. Lindsay Baker, 1975 |
| 67 | 51 | Correspondence from United States Department of the Interior - Historic American Engineering Record, 1977 and undated |
| 68 | 1 | Data Gathering Sheets, Blank, 1970s |
| 68 | 2 | Data Gathering Sheets, Blank, 1970s |
| 68 | 3 | Detailed Documentation Notebooks (HAER - “Research on the History of Water Supply Systems in the American Southwest), 1977 |
| 68 | 4 | Display Cards for Water Supply History Project, 1970s |
| 68 | 5 | Expenditures by T. Lindsay Baker for Business Trips, 1978-1980 |
| 68 | 6 | Field Note Books, Blank, 1970s |
| 68 | 7 | Field Book of Steve Rae, 1971-1975 |
| 68 | 8 | History and objectives of History of Engineering Program including a List of Publications, circa 1977 |
| Historic American Engineering Record - Research on the History of Water Supply Systems in the American Southwest | ||
| 68 | 9 | Site Data Sheets, 1973-1974 |
| 68 | 10 | Site Inventory Check List and Data, 1971 |
| 68 | 11 | Site Listings, 1972 |
| 68 | 12 | List of Addresses from T. Lindsay Baker, 1971 |
| 68 | 13 | List of Sites for Arizona, California,Colorado, Nevada, New Mexico, Oklahoma, Texas, and Utah, (Historic Engineering Site Inventory), undated |
| 68 | 14 | Literary Production: “Early Water Supply Systems in the American Southwest”, 1972 |
| 68 | 15 | Literary Production - Paper: “Some Early Water Supplies of the American West”, by George A. Whetstone, Presented at AWRA, Chicago, 1976 |
| 68 | 16 | Maps and Illustrations for Reports, 1970s |
| 69 | 1 | Note cards by States on Irrigation, 1970s |
| 69 | 2 | Oral History Guidelines, undated |
| 69 | 3 | Pert Chart, undated |
| Printed Material | ||
| 69 | 4 | Articles: Bridges, 1929-1970 |
| 69 | 5 | Articles: Engineering - General, 1901-1981 |
| 69 | 6 | National Register of Historic Places Listings, 1979 |
| History of Engineering Program, 1971-1981 | ||
| 69 | 7 | Newsletter: Department of Park Administration and Landscape Architecture, College of Agricultural Sciences, Texas Tech University, 1978 |
| 69 | 8 | Preservation: “Historic Preservation and the Environment”, by Robert Utley, Colorado Magazine, 1974 |
| 69 | 9 | Preservation: Tax Incentives: New Investment Opportunities, 1981 |
| 69 | 10 | “San Juan Mine” (Mexico), by F. D. Browning,School of Mines Quarterly III, 1882 |
| 69 | 11 | Theory of Modern Steel Structures Volume I, by Linton E. Grinter - Excerpt, 1949 |
| 69 | 12 | Various Tourist Guides (Indiana, Nebraska, Oklahoma, Michigan), 1972-1976 and undated |
| 69 | 13 | “The Watertower: Sixtieth Anniversary Issue” Publication of the Chicago Bridge and Iron Company, 1949 |
| 69 | 14 | Users Guide, List, and Visual Basic Program on CD for State Historic Engineering Site Inventories |
| 69 | 15 | “Water for the Southwest” Press Releases for Reviews, undated |
| 69 | 16 | Bibliographic Note cards, 1970s |
| 70 | 1 | Douglas Arizona Historic Building Survey, Printout of Property Owners, circa 1982 |
Southwest Collection/Special Collections Library
-
Address
2805 15th St., Box 41041, Lubbock, TX 79409-1041 -
Phone
806.742.3749 -
Email
swco.it@ttu.edu