Prostka, Harold J. <br/><br/>
Igneous geology of the dry mountain quadrangle Jefferson county, Montana / 
by Harold J. Prostka. 
 - Washington:   United States Government Printing Office,   1966.  
 - iii, F21 p. :  ill., maps ;  23 cm.  +1 map. 
 -  1221 Contributions to Economic GeologyChapter F .
<br/><br/> Conduct map: geologic map of the dry mountain quadrangle, Montana. 
<br/><br/>Includes bibliographical references (p. F20-F21). 
<br/><br/> A description of the petrology and structure of the igneous rocks along the east margin of the Boulder batholith. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock, Volcanic--United States--Montana<br/>Geological survey--United States--Montana
<br/><br/><label>Dewey Class. No.: </label>551.7