TY  - BOOK
AU  - Jenkins,Olaf Pitt
AU  - Averill,Charles Volney
ED  - California.
TI  - Geologic guidebook of the San Francisco Bay counties: history, landscape, geology, fossils, minerals, industry, and routes to travel
T2  - Its Bulletin,
AV  - TN24.C2 A3 no. 154
U1  - 557.94 
PY  - 1951///
CY  - San Francisco
KW  - Geology
KW  - California
KW  - San Francisco Bay Area
KW  - Mines and mineral resources
KW  - San Francisco Bay Area (Calif.)
KW  - Description and travel
N1  - At head of title: State of California Dept. of Natural Resources, Division of Mines; Includes bibliographies
UR  - http://www.archive.org/details/geologicguideboo00cali
ER  -