Wells, Francis G.  1898- <br/><br/>
Quicksilver deposits of southwestern Oregon, 
by Francis G. Wells and Aaron C. Waters, prepared in cooperation with the State mining board of Oregon. 
 - Washington,  U.S. Govt. Print. Off.,  1934. 
 - vi, 58 p.  23 pl. (incl. fold. maps (2 in pocket)  24 cm. 
 - U.S. Geological survey. Bulletin 850 .
<br/><br/> At head of title: United States Department of the Interior. 
<br/><br/><label>LCCN: </label>gs 34000105  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mercury.
<br/><br/><label>LC Class. No.: </label>QE75  / .B9 no. 850