Bibliography of the geology and mineral resources of Montana. 
Compiled by Works projects administration, Mineral resources survey.  (O.P. 265-91-1-47 W.P. 3622)  Cecil R. Waldron, supervisor; Roy H. Earhart, asst. supervisor. 
 - Butte, Mont.,  Montana School of mines,  1942. 
 - v, 356 p.  3 pl. (map, 2 tab.)  28 x 22 cm. 
 - Montana.  State bureau of mines and geology.  Memoir  no. 21 .
<br/><br/> At head of title: State of Montana.  Bureau of mines and geology, Francis A. Thomson, director.  Reproduced from typewritten copy. 
<br/><br/><label>LCCN: </label>gs 42000338  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Montana--Bibliography.<br/>Mines and mineral resources--Montana--Bibliography.
<br/><br/><label>LC Class. No.: </label>Z6034.U5  / M9 
<br/><br/><label>Dewey Class. No.: </label>016.55786