Umpleby, Joseph Bertram,  1883-1967. <br/><br/>
Geology and ore deposits of the Mackay region, Idaho, 
by Joseph B. Umpleby. 
 - Washington,  Govt. Print Off.,  1917. 
 - 129 p.  illus., XXI pl. (part fold., part col., incl. maps. plan) diagrs.  30cm. 
 - United States.  Geological survey. Professional paper 97 .
<br/><br/> At head of title: Department of the Interior.  Three maps in pocket.  Contains references. 
<br/><br/><label>LCCN: </label>gs 17000294  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Idaho.<br/>Ore deposits--Idaho.
<br/><br/><label>LC Class. No.: </label>QE75  / .P9 no. 97 
<br/><br/><label>Gov. Doc. Class. No.: </label>I19.16:97