1984. United States. Soil Conservation Service. Includes notes and location map. Scale approximately 1:100,000.
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1982. United States. Soil Conservation Service. Includes notes and location map. Scale 1:50,000.
1981. United States. Soil Conservation Service. Includes notes and location map. Scale 1:50,000.
1981. United States. Soil Conservation Service. Shows land use.; "Interpretations derived from soil map constructed in 1977 by Cartographic Division, Soil Conservation Service, USDA, of Delta Cou... The Service (Washington, D.C.?).
1981. United States. Soil Conservation Service. Includes notes and location map. Scale 1:100,000.
1981. United States. Soil Conservation Service. Includes notes and location map. Scale 1:50,000.
1983. United States. Soil Conservation Service. Includes notes and location map. Scale approximately 1:100,000.
1977. United States. Soil Conservation Service. Includes notes and location map. Scale 1:50,000.
1983. United States. Soil Conservation Service. Shows land use.; "Interpretations derived from soil map constructed 1972 by Cartographic Division, Soil Conservation Service, USDA of Gladwin Count... The Service (Lincoln, Neb.).
1983. United States. Soil Conservation Service. Includes notes and location map. Scale approximately 1:100,000.