1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1978."; May 1980.; Includes location map. 50 x 51 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
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1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1966."; May 1980.; Includes location map. 49 x 58 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1967."; May 1980.; Includes location map. 41 x 45 centimeters Scale 1:100,000. 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. 46 x 78 centimeters Scale 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).
75. Kendall Co., Ill
1980. United States. Soil Conservation Service. Base compiled in 1976 from USGS 1:24 000-scale topographic maps dated 1953-1973, revised from aerial photographs taken 1975; interpretations derive... Dept. of Agriculture, Soil Conservation Service (Washington.).
1980. Includes text and color illustrations.; Text, advertisements, and 9 Lake Monroe area maps showing businesses on verso. Scale approximately 1:125,000. Guide Art Co.
1980. Struble, Richard A. Title assigned by cataloguer. prepared ... by Richard A. Struble and David A. Hodges. "Areal density of photo linears occurring within a 5000 meter... Ohio. Division of Geological Survey.
1980. Struble, Richard A. Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev.) "Areal density of photo linears occurring within a 5000 meter square grid... Ohio. Division of Geological Survey.
1980. Struble, Richard A. Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev.) "Areal density of photo linears occurring within a 5000 meter square grid... Ohio. Division of Geological Survey.
1980. Struble, Richard A. Base map: USGS Cleveland, Ohio; Pa., U.S., Ont., Can. (4th ed. 1972 rev.) "Areal density of photo linears occurring within a 5000 meter square grid... Ohio. Division of Geological Survey.