1980. Interpretations derived from soil map constructed 1974 ...' 'December 1980.' Includes location map. Scale 1:50,000; Universal Transverse Mercator p... United States Department of Agriculture, Soil Conservation Service.
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1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1974 ..."; "December 1980."; Includes location map. 112 x 92 centimeters Scale 1:50,000. U.S. Dept. of Agriculture, Soil Conservation Service (Washington, D.C.).