Robinson, G. D.  1918- <br/><br/>
Geology of the Three forks Quadrangle Montana / 
by G. D. Robinson. 
 -- Washington :   United States Government Printing Office,   1963 
 - 143 p. + 1 map. -- 
 (Geological Survey Professional Paper  ; 370).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Montana
<br/><br/><label>Universal Decimal Class. No.: </label>55(786)