by Thomas W. Dibblee, Jr.; edited by John A. Minch. Relief shown by contours and spot heights. Nancy Stehle honorary map. "Topographic base map from available USGS 7.5-minute quadrangle Ventana Cones, CA 1956. AMS 1656 I SW -- Series V895." "First printing, October 2007." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology, most recent 1973. Includes "pertinent references", most recent published in 1999.