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 SAN LUIS OBISPO, CA 1965, DMA 1854 I SW -- Series V895, revised 1994." "First printing, June 2004." "Lew Rosenberg Honorary Map." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes "pertinent references."