1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "April 1981 base 4-R-36921." 45 x 59 centimeters Scale approximately 1:100,000. USDA-SCS (Fort Worth, Tex.).
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1980. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "February 1980 base 4-R-37409." 57 x 44 centimeters. USDA-SCS (Fort Worth, Tex.).
1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "February 1980 base 4-R-37293." 57 x 45 centimeters. USDA-SCS (Fort Worth, Tex.).
1980. United States. Soil Conservation Service. Shows land use.; "Prepared in cooperation with Alabama Agriculture and Experiment Stations and Office of State Planning and Federal Programs utiliz... The Service (Auburn, Ala.?).
315. St. Clair Co., Ill
1979. United States. Soil Conservation Service. Base compiled in 1976 from USGS 1:24,000-scale topographic maps dated 1954-1974, revised from aerial photographs taken 1976; interpretations derive... Dept. of Agriculture, Soil Conservation Service (Washington.).
1978. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1976; interpretations derived from soil map constructed 1975.; "Projection and 10,000-metre grid ... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "October 1979 base 4-R-37164." 57 x 77 centimeters. USDA-SCS (Fort Worth, Tex.).
1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1978."; May 1980.; Includes location map. 45 x 50 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1976; interpretations derived from soil map constructed 1977.; "Projection and 10,000-meter grid ... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS county base map dated 1975; interpretations derived from soil map constructed 1970.; "Projection and 10,000-metre grid ticks, zon... Dept. of Agriculture, Soil Conservation Service (Washington.).