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 Llanada, CA 1969. AMS 1857 III SW - series V895." "First printing, May 2007." "Bob Orlando honorary map." Includes location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology, most recent 1973. Includes "pertinent references", most recent 1999.