Geologic guidebook of the San Francisco Bay counties;  history, landscape, geology, fossils, minerals, industry, and routes to travel. 
Prepared under the direction of Olaf P. Jenkins.  Contributing authors: Charles V. Averill [and others] 
 - San Francisco,  1951. 
 - 392 p.  illus., maps  22 x 27 cm. 
 - Its Bulletin,  154 .
 - Bulletin (California. Division of Mines) ;  no. 154. .
<br/><br/> At head of title: State of California Dept. of Natural Resources, Division of Mines. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>gs 52000058  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--California--San Francisco Bay Area.<br/>Mines and mineral resources--California--San Francisco Bay Area.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>San Francisco Bay Area (Calif.)--Description and travel.
<br/><br/><label>LC Class. No.: </label>TN24.C2  / A3 no. 154 
<br/><br/><label>Dewey Class. No.: </label>557.94