Rogers, John J. W.  1930- <br/><br/>
Igneous and metamorphic rocks of the western portion of Joshua Tree National Monument, Riverside and San Bernardino Counties, California. 

 - San Francisco,  1961. 
 - 26 p.  illus., maps (1 fold. in pocket)  28 cm. 
 - California. Division of Mines. Special report 68 .
 - California.  Division of Mines and Geology.  Special report ;  68. .
<br/><br/>Bibliography: p. 26. 
<br/><br/><label>LCCN: </label>gs 63000191  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology--California--Joshua Tree National Monument.<br/>Crystalline rocks.<br/>Metamorphic rocks.<br/>Igneous rocks.
<br/><br/><label>LC Class. No.: </label>TN24.C2  / A33 no. 68