1980. United States. Soil Conservation Service. "Base map prepared by SCS, WTSC Carto Unit from AMS 1:250,000 series."; Sheet 1 has text on verso.; Includes location map. 59 x 89 centimeters Scal... Dept. of Agriculture, Soil Conservation Service (Fort Collins, Colo.).
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1980. United States. Soil Conservation Service. "Base map prepared by SCS, WTSC Carto Unit from AMS 1:250,000 series."; Text on verso.; Includes location maps. 89 x 59 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Fort Collins, Colo.).
1980. United States. Soil Conservation Service. "Base map prepared by SCS, WTSC Carto Unit from AMS 1:250,000 series."; Sheet 1 has text on verso.; Includes location map. 89 x 59 centimeters Scal... Dept. of Agriculture, Soil Conservation Service (Fort Collins, Colo.).