1980. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.
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1980. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.
13. De Kalb Co., Ill
1980. United States. Soil Conservation Service. Base compiled from USGS 1:24 000-scale topographic maps dated 1968-1975, map edited 1978, revised from aerial photographs taken 1975; interpretatio... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. Projection: WGS72 Mercator Projection; Series: Defense Mapping Agency Nautical Charts. National Geospatial-Intelligence Agency.
1980. This polygon layer represents the election districts of Loudoun County, VA 1980.
1980. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1978; interpretations derived from soil map constructed 1972.; "Projection and 10,000-metre grid ... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. Title supplied by cataloger based on information from sheet labels. Images are photoreductions of mosaics created from original aerial photographs.... United States. Agricultural Stabilization and Conservation Service.
1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1967."; May 1980.; Includes location map. 46 x 44 centimeters 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. Scale approximately 1:2,000,000. "Adapted from glacial map of Ohio, U.S. Geological Survey Miscellaneous geologic investigations, Map I-316." Title...