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 SAN BERNARDINO NORTH, CA 1967, DMA 2552 III NE -- Series V895, PHOTOREVISED 1988; SAN BERNARDINO SOUTH, CA 1967, DMA 2552 III SE -- Series V895, PHOTOREVISED 1980." "First printing, August 2004." Includes quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology. Includes "pertinent references."