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264. Wells County, North Dakota

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. Base source: USGS county base map dated 1975; interpretations derived from soil map constructed 1970.; "Projection and 10,000-metre grid ticks, zon... Dept. of Agriculture, Soil Conservation Service (Washington.).

265. Will County, Illinois

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. "Interpretations derived from soil map constructed 1974."; May 1980.; Includes location map. 61 x 66 centimeters Scale approximately 1:100,000. Dept. of Agriculture, Soil Conservation Service (Washington.).

266. De Kalb Co., Ill

Maps University Of Minnesota Public content
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.).

267. Fayette County, West Virginia

Maps University Of Minnesota Public content
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.).

268. Greene County, Illinois

Maps University Of Minnesota Public content
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.).

269. Ground-water resources of Knox County

Maps The Ohio State University Public content
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.

270. Important farmlands, Douglas Co., Kans

Maps University Of Minnesota Public content
1980. United States. Soil Conservation Service. Shows land use.; "Produced by the Geological Survey in cooperation with the Soil Conservation Service."; Includes vicinity map. 41 x 43 centimeters. The Service (Salina, Kan.).