Base compiled in 1976 from USGS 1:24,000-scale topographic maps dated 1965-68; planimetry revised from aerial photographs taken 1974.; "Projection and 10,000-meter grid ticks, zone 16: Universal Transverse Mercator ... 25 000-foot grid ticks based on Ohio coordinate system."; Includes location map. 80 x 86 centimeters Scale 1:50,000
Creator:
United States. Soil Conservation Service
Publisher:
Dept. of Agriculture, Soil Conservation Service (Washington.)
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