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 CRYSTAL LAKE, CA 1972, NIMA 2452 IV SE - Series V895." "Prepared in cooperation with the Santa Barbara Museum of Natural History and the Angeles National Forest." "Donald L. Fife Honorary Map." "First printing, July 2002." Includes col. cross section, quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes bibliographical references.