Keefer, William R.  1924- <br/><br/>
Stratigraphy and geologic history of the uppermost Cretaceous, Paleocene, and lower Eocene rocks in the wind river basin, Wyoming / 
by William R. Keefer. 
 -- Washington :   United States Government Printing Office,   1965 
 - 77 p. + map. -- 
 (Geological Survey Professional Paper  ;  495-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estratigrafía<br/>Wyoming
<br/><br/><label>Universal Decimal Class. No.: </label>551.7(787)