TRUMBULL, James V. A. <br/><br/>
Coal resources of Oklahoma / 
by James V. A. Trumbull. 
 -- Washington :   United States Government Printing Office,   1957 
 - p. 307-382 + map. -- 
 (Geological Survey Bulletin  ;  1042-J).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geología<br/>Oklahoma
<br/><br/><label>Universal Decimal Class. No.: </label>55(766)