Hewett, Donnel Foster,  1881-1971. <br/><br/>
Mineral resources of the region around Boulder dam, 
by D.F. Hewett, Eugene Callaghan, B.N. Moore, T.B. Nolan, W.W. Rubey and W.T. Schaller. 
 - Washington,  U.S. Govt. Print. Off.,  1936. 
 - vi, 197 p.  incl. illus., tables, 14 pl. (part fold.; incl. maps, diagrs.) 3 fold. maps (in pocket)  23 cm. 
 - U.S. Geological survey. Bulletin 871 .
<br/><br/> At head of title: United States Department of the Interior, Harold L. Ickes, Secretary, Geological survey. W.C. Mendenhall, director. 
<br/><br/>Bibliographical foot-notes 
<br/><br/><label>LCCN: </label>gs 36000333  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources--Arizona.<br/>Mines and mineral resources--California.<br/>Mines and mineral resources--Nevada.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 871