by Thomas W. Dibblee, Jr.; edited by Helmut E. Ehrenspeck with Perry L. Ehlig and Wendy Lou Bartlett. Relief shown by contours and spot heights; depths shown by isolines. "Prepared in cooperation with the California Dept. of Conservation, Division of Mines and Geology; and the U.S. Geological Survey." "Martin L. Stout and Thomas L. Wright honorary map." Also shows oil wells. "First printing, May 1999". Includes 4 partial col. cross-sections, and location map. Five "complete" cross sections, index to sources of geology, acknowledgements and map dedication on verso. Bibliography on verso.