1980. Geological Survey (U.S.). This polygon shapefile contains the 1980 state and county boundaries of the United States, Puerto Rico, and the U.S. Virgin Islands. The map layer ... Geological Survey (U.S.).
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1980. United States. Soil Conservation Service. Shows land use.; Includes location map.; "5-73 4-R-18,861-A." 70 x 54 centimeters approximately 1:126,720. USDA-SCS (Fort Worth, Tex.).
1980. United States. Soil Conservation Service. Shows land use.; "Base compiled from latest Oklahoma General Highway Map, Transverse Mercator Projection."; Includes vicinity map.; "12-73 4-R-18,8... USDA-SCS (Fort Worth, Tex.).
1980. United States. Soil Conservation Service. Shows land use.; Includes location map.; "9-73 4-R-33,411." 54 x 64 centimeters Scale approximately 1:126,720. USDA-SCS (Fort Worth, Texas.).
1980. United States. Soil Conservation Service. "Base compiled from latest Oklahoma General Highway Map, Transverse Mercator Projection."; "Grid ticks based on Oklahoma State Plane Coordinate Sys... Dept. of Agriculture, Soil Conservation Service (Fort Worth, Tex.).
1980. United States. Soil Conservation Service. Shows land use.; Includes key map.; "9-73 4-R-33,412." 88 x 59 centimeters Scale approximately 1:126,720. USDA-SCS (Fort Worth, Texas.).
1980. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "8-74 4-R-34,246." 38 x 56 centimeters. The Service (Washington, D.C.?).
1980. United States. Soil Conservation Service. Shows land use.; Latitudinal coordinates printed out of order.; Includes vicinity map.; "2-74 4-R-33,711." 58 x 42 centimeters. USDA-SCS (Fort Worth, Tex.).
1980. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "Revised August 1980 base 4-R-34636." 79 x 80 centimeters. The Service (Stillwater, Okla.?).
1980. United States. Soil Conservation Service. Shows land use.; "September 1975."; Includes vicinity map.; "4-R-35179." 49 x 72 centimeters Scale approximately 1:126,720. USDA-SCS (Fort Worth, Tex.).