1980. Scale approximately 1:2,000,000. "Adapted from glacial map of Ohio, U.S. Geological Survey Miscellaneous geologic investigations, Map I-316." Title...
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1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1953."; May 1980.; Includes location map. 54 x 63 centimeters 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. A map showing the land use designations in the areas surrounding the Greenwood Lake Watershed. Types of land use designations include residential, ...
1980. Crowell, Katie. Includes location map. by Katie Crowell ; cartography, Craig A. Schottenstein. Scale approximately 1:63,000. Relief shown by contours and spot heig... Ohio. Division of Water.
1980. Schmidt, James J. Includes location map. Relief shown by contours and spot heights. by James J. Schmidt ; cartography, VK. Scale approximately 1:63,000. Ohio. Division of Water.
1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1979."; May 1980.; Includes location map. 51 x 50 centimeters 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base dated 1979; interpretations derived from soil map constructed 1979.; "Projection and 10,000-metre grid tick... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. "Interpretations derived from soil survey published in 1976."; "May 1980. 5,R-37,826."; Includes location map. 79 x 73 centimeters 1:50,000. U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1979; interpretations derived from soil map constructed 1975.; "March 1980. 5,R-37,751."; Include... U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. Base source: USGS 1:100,000 county base map dated 1979; interpretations derived from soil survey published in 1974.; "August 1980; 5,R-38,057."; In... U.S. Dept. of Agriculture, Soil Conservation Service (Washington.).