Irving, J. D.  1874-1918. <br/><br/>
Geology and ore deposits near Lake City, Colorado, 
by John Duer Irving and Howland Bancroft. 
 - Washington,  Govt. print. off.,  1911. 
 - 128 p.  illus., VIII pl. (part fold., incl. maps, plans) fold. tab., diagrs.  23 1/2 cm. 
 - U.S. Geological survey.  Bulletin 478 .
<br/><br/> At head of title: Department of the Interior.  "Geology, by Whitman Cross": p. 18-32. 
<br/><br/>Bibliography: p. 122-123. 
<br/><br/><label>LCCN: </label>gs 11000590  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colorado--Lake City quadrangle.<br/>Mines and mineral resources--Colorado.
<br/><br/><label>LC Class. No.: </label>TN24.C6  / I7 no. 478