Base source: USGS 1:100,000 county base map compiled in 1975; interpretations derived from soil map constructed 1964.; "Projection and 10,000-metre grid ticks, zone 14: Universal Transverse Mercator. 25,000-foot grid ticks based on North Dakota coordinate system, south zone."; Feb. 1977.; Includes location map. 51 x 66 centimeters Scale 1:100,000; 1 cm. = 1 kilometer
Creator:
United States. Soil Conservation Service
Publisher:
Dept. of Agriculture, Soil Conservation Service (Washington.)
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