Base source: USGS 1:100,000 county base dated 1977; interpretations derived from soil map constructed 1970.; "Projection and 10,000-metre grid ticks, zone 18: Universal Transverse Mercator. 25,000-foot grid ticks based on New York coordinate system, central zone."; Feb. 1980.; Includes location map. 111 x 68 centimeters Scale 1:50,000
Creator:
United States. Soil Conservation Service
Publisher:
Dept. of Agriculture, Soil Conservation Service (Washington.)
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