Mapel, William Jameson <br/><br/>
Geology and coal resources of the Buffalo-Lake De Smet area Johnson and Sheridan counties Wyoming / 
by William J. Mapel. 
 -- Washington :   United States Government Printing Office,   1959 
 - 148 p. + map. -- 
 (Geological Survey Bulletin  ; 1078).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Wyoming
<br/><br/><label>Universal Decimal Class. No.: </label>55(787)