Relief shown by spot heights.; Base compiled in 1975 from USGS 1:24,000 and 1:62,500-scale topographic maps dated 1956-1970; planimetry revised; interpretations derived from soil maps constructed 1973 and 1975.; 'November 1980.'; Includes location map.; Detailed legend on verso.; 'M7-E-24100-2.'
41 x 61 centimeters