Gray, Cliffton H.  1925- <br/><br/>
Geology of the Corona South quadrangle and the Santa Ana narrows area,  Riverside, Orange, and San Bernardino Counties, California; and Mines and mineral deposits of the Corona South quadrangle, Riverside and Orange Counties, California. 

 - San Francisco,  California Division of Mines,  1961. 
 - 120 p.  illus., maps (part col.) diagrs., tables.  28 cm. 
 - California. Division of Mines. Bulletin,  178 .
 - California. Division of Mines and Geology.  Bulletin ;  no. 178. .
<br/><br/> Cover title: Geology and mineral resources of the Corona South quadrangle.  Part of illustrative matter fold. in pocket. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>gs 62000169  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--California--Corona Region.<br/>Geology--California--Santa Ana Mountains<br/>Mines and mineral resources--California--Corona Region.<br/>Mines and mineral resources--California--Santa Ana Mountains
<br/><br/><label>LC Class. No.: </label>TN24.C2  / A3 no. 178