Bachman, George O. <br/><br/>
Geology of the Mockingbird gap quadrangle, Lincoln and Socorro counties New Mexico / 
by George O. Bachman. 
 -- Washington :   United States Government Printing Office,   1968 
 - 43 p. + map. -- 
 (Geological Survey Professional Paper  ;  594-J).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Nuevo Mexico
<br/><br/><label>Universal Decimal Class. No.: </label>55(789)