by A. Eugene Fritsche & Thomas W. Dibblee, Jr. ; edited by John A. Minch. Relief shown by contours and spot heights. "Stephen A. 'Tony' Reid Honorary Map." "Topographic base map from available USGS 7.5-minute quadrangle Salisbury Portero, CA 1964. AMS 2053 I SW-- Series V895." "First printing, December 2007." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology, most recent 1971. Contour interval 40 feet. Includes "pertinent references", most recent 1991.