Brobst, Donald A.  1925-2011 <br/><br/>
Geology of the Dewey Quadrangle Wyoming-South Dakota / 
by Donald A. Brobst. 
 -- Washington :   United States Government Printing Office,   1961 
 - 60 p. + map. -- 
 (Geological Survey Bulletin  ;  1063-B).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dakota del Sur<br/>Geología<br/>Wyoming
<br/><br/><label>Universal Decimal Class. No.: </label>55(783+787)