Lohman, Kenneth E.  1897- <br/><br/>
Late Eocene Nonmarine diatoms from the Beaver divide area Fremont county, Wyoming / 
by Kenneth E. Lohman and George W. Andrews. 
 -- Washington :   United States Government Printin Office,   1968 
 - 26 p., [2] h. de map. -- 
 (Geological Survey Professional Paper  ;  593-E).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eozoico<br/>Paleontología<br/>Wyoming
<br/><br/><label>Universal Decimal Class. No.: </label>56(787)"6112"