Haley, Boyd Raymond  1922- <br/><br/>
Coal resources of Arkansas, 1954 / 
by Boyd R. Haley. 
 -- Washington :   United States Government Printing Office,   1960 
 - P. 795-831 + map. -- 
 (Geological Survey Bulletin  ;  1072-P).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arkansas<br/>Rocas carboníferas
<br/><br/><label>Universal Decimal Class. No.: </label>552.57(767)