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 GRAPEVINE, CA 1995, NIMA 2153 IV NW -- Series V895; METTLER, CA 1955, AMS 2254 III SW -- Series V895; photorevised 1968 and 1973." "First printing, October 2005." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes "pertinent references."