by Thomas W. Dibblee, Jr.; edited by Helmut E. Ehrenspeck; geologic cross sections researched and prepared by Wendy Lou Bartlett. Relief shown by contours and spot heights. "Prepared in cooperation with the California Dept. of Conservation, Division of Mines and Geology; and the U.S. Geological Survey." "Ted L. Baer Honorary Map." "First printing, May 1999". Includes 3 col. cross-sections, and location map. Duplicate legend, 3 cross sections, index to sources of geology, acknowledgements, map dedication, table of well information, and age correlation chart on verso. Bibliography on verso.