Becraft, George E.  1922- <br/><br/>
Uranium in Carbonaceous rocks in the townsend and Helena Valleys Montana / 
by George E. Becraft. 
 -- Washington :   United States Government Printing Office,   1958 
 - P. 149-164 + map. -- 
 (Geological Survey Bulletin  ;  1046-G).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Montana<br/>Yacimientos de Uranio
<br/><br/><label>Universal Decimal Class. No.: </label>553.495(786)