"Compiled from USGS 1:24 000 and 1:62 500-scale topographic maps dated 1954-1973. Planimetry revised from aerial photographs taken 1974-75, and other sources data ... Map edited 1978."
"Reprinted 1992."
Includes desert access index map [coverage complete in 22 maps]; a U.S.G.S. topographic index for Palm Springs area; and a location map.
Text, ill., and map of Mecca Hills Recreation Area on verso.