by Thomas W. Dibblee, Jr. ; edited by John A. Minch. Relief shown by contours and spot heights. "Topographic base maps from available USGS 7.5-minute quadrangles SUNNYMEAD, CA 1973, AMS 2551 I NW - Series V895, photoinspected 1973; REDLANDS, CA 1967, AMS 2552 II SW-Series V895" "First printing, December 2003." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes "pertinent references."