1979. United States. Soil Conservation Service. "Soil interpretive map of important farmlands."; "Base edited by the Geological Survey; compiled from USGS 1:24,000-scale topographic maps dated 19... Dept. of Agriculture, Soil Conservation Service (Fort Worth, Tex.).
Search Results
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. "6-72 4-R-31905."; Includes vicinity map. 60 x 69 centimeters Scale approximately 1:126,720. Dept. of Agriculture, Soil Conservation Service (Fort Worth, Tex.).