1981. United States. Soil Conservation Service. "Nov. 1981."; Includes location map. 116 x 96 centimeters Scale 1:50,000. U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).
Search Results
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1978; interpretations derived from soil map constructed 1956.; "Projection and 10,000-metre grid tick... Dept. of Agriculture, Soil Conservation Service (Washington.).
1986. National Cartographic Center (U.S.). Relief shown by contours and spot heights.; Shows land use.; "September 1985 4-39456." 65 x 55 centimeters Scale 1:1,000,000. USDA-SCS-National Mapping Division (Ft. Worth, TX.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1977; interpretations derived from soil map constructed 1967.; "Projection and 10,000-meter grid tick... Dept. of Agriculture, Soil Conservation Service (Lanham, Md.).
1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1966."; May 1980.; Includes location map. 40 x 37 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1977. United States. Soil Conservation Service. Universal Transverse Mercator projection; 1927 North American datum.; July 1977.; Indexed. 92 x 112 centimeters Scale 1:50,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
267. Rock Island Co., Ill
1979. United States. Soil Conservation Service. Base compiled in 1976 from USGS 1:24 000 and 1:62 500-scale topographic maps dated 1922-1971, revised from aerial photographs taken 1974 and 1977; ... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1978."; May 1980.; Includes location map. 49 x 45 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1977. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map compiled in 1975; interpretations derived from soil map constructed 1964.; "Projection and 10,000-metre... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1977; interpretations derived from soil map constructed 1970.; "Projection and 10,000-metre grid tick... Dept. of Agriculture, Soil Conservation Service (Washington.).