Baldwin, Brewster. <br/><br/>
Geologic studies of Union County, New Mexico:  Geology of Union County. Volcanic rocks of Des Moines quadrangle. 
By Brewster Baldwin and William R. Muehlberger. 
 - Socorro,  State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining & Technology,  1959. 
 - ix, 171 p.  illus., maps (part col.) tables.  23 cm. 
 - New Mexico. Bureau of Mines and Mineral Resources. Bulletin  63 .
 - Bulletin (New Mexico. Bureau of Mines and Mineral Resources) ;  63. .
<br/><br/> Part of illustrative matter fold. in pocket. 
<br/><br/>Bibliography: p. [158]-162. 
<br/><br/><label>LCCN: </label>gs 60000176  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--New Mexico--Union County.<br/>Igneous rocks.
<br/><br/><label>LC Class. No.: </label>TN24.N6  / A232 no. 63