Base source: USGS 1:100,000 county base map compiled in 1977 from USGS 1:24,000 topographic maps dated 1970-1973; interpretations derived from soil map constructed 1971.; "Projection and 10,000-metre grid ticks, zone 18: Universal Transverse Mercator ... 25,000 foot grid ticks based on Virginia [sic] coordinate system."; May 1979.; Includes vicinity map.
51 x 66 centimeters
Scale 1:100,000; 1 cm. = 1 kilometer