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.).
Search Results
272. 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.).
1980. United States. Soil Conservation Service. "Base compiled from U.S.G.S. quadrangle sheets and county highway map, polyconic projection."; "50,000 foot grid ticks based on the Texas state pla... The Service (Fort Worth, Tex.).
1981. United States. Soil Conservation Service. Shows land use.; "Issued 1982."; Includes vicinity map.; "August 1981 base 4-R-34963." 56 x 86 centimeters 1:100,000. USDA-SCS (Fort Worth, Tex.).
1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "December 1980 base 4-R-37584." 38 x 58 centimeters. USDA-SCS (Fort Worth, Tex.).
1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "February 1981 base 4-R-33865." 66 x 76 centimeters. The Service (Fort Worth, Tex.?).
1981. United States. Soil Conservation Service. Shows land use.; Includes vicinity map.; "4-R-36538." 61 x 72 centimeters 1:100,000. The Service (Fort Worth, Tex.?).