MUDGE, Melville R. <br/><br/>
Pre-Quaternary rocks in the sun river Canyon area, northwestern Montana / 
by Melville R. Mudge. 
 -- Washington :   United States Government Printing Office,   1972 
 - 142 p. + map. -- 
 (Geological Survey Professional Paper  ;  663-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Montana<br/>Precámbrico<br/>Rocas
<br/><br/><label>Universal Decimal Class. No.: </label>552(786)"611"