SMEDES, Harry W. <br/><br/>
Stratigraphic framework of the Absaroka volcanic supergroup in the Yellowstone National park region / 
by Harry W. Smedes and Harold J. Prostka. 
 -- Washington :   United States Government Printing Office,   1972 
 - 33 p. -- 
 (Geological Survey Professional Paper  ;  729-C).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estratigrafía<br/>Wyoming
<br/><br/><label>Universal Decimal Class. No.: </label>551.7(787)