"Compiled by USGS from 1:24 000-scale topographic maps dated 1950-1972."; Partially revised from aerial photographs taken 1975-76. Map edited 1979.; "Projection and 10 000-meter grid ticks, zone 13, Universal Transverse Mercator."; "25 000-foot grid ticks based on Colorado coordinate system, north zone."; Sheet 1 has text on verso.; Includes location map.
90 x 56 centimeters; 90 x 58 centimeters
Scale 1:100,000