by Thomas W. Dibblee, Jr. ; edited by John A. Minch. Relief shown by contours and spot heights. "Topographic base map from newest available USGS 7.5-minute quadrangle LOPEZ MOUNTAIN, CA 1965, DMA 1854 I SE -- Series V895, REVISED 1993, PHOTOINSPECTED 1978." "First printing, June 2004." "Hugh McLean Honorary Map." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes "pertinent references."