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 GLENDORA, CA 1972, NIMA 2452 IV SE - Series V895."
"Prepared in cooperation with the Santa Barbara Museum of Natural History and the Angeles National Forest."
"John S. Shelton Honorary Map."
"First printing, July 2002."
Includes 2 col. cross sections, quadrangle location map, index to adjacent 7.5 minute quadrangles, and index to sources of geology.
Includes bibliographical references.