by Thomas W. Dibblee, Jr. ; edited by John A. Minch. Relief shown by contours and spot heights. "Topographic base map from available USGS 7.5-minute quadrangle Camatta Canyon CA 1961. Revised 1993. DMA 1955 III SE - Series V895." "First printing, October 2006." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes "pertinent references", most recent 1984.