Woodruff, Elmer Grant,  1872- <br/><br/>
The Lander and Salt Creek oil fields, Wyoming.  The Lander oil field, Fremont County / 
by E.G. Woodruff.  The Salt Creek oil field, Natrona County, by C.H. Wegemann. 
 - Washington,  Govt. Print. Off.,  1911. 
 - 87 p. :  ill., xii pl. (part fold., incl. maps) ;  24 cm. 
 - U.S. Geological survey. Bulletin 452 .
 - United States.  Geological Survey.  Bulletin ;  452. .
<br/><br/> Two folded maps in pocket.  Bibliographical footnotes and index. 
<br/><br/>Bibliography : p. 82-83. 
<br/><br/><label>LCCN: </label>gs 11000486  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Wyoming--Fremont County.<br/>Petroleum--Wyoming--Natrona County.
<br/><br/><label>LC Class. No.: </label>TN872.W8  / W6