by Thomas W. Dibblee, Jr. ; edited by John A. Minch. Relief shown by contours and spot heights. John G. Parrish Honorary Map. "Topographic base map from available USGS 7.5-minute quadrangle Slack Canyon CA 1969. AMS 1856 II SW - series V895." "First printing, February 2007." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology, most recent field work 2003. Includes "pertinent references", most recent 1974.