Merewether, E. A.  1930- <br/><br/>
Geology of the coal hill Hartman, and Clarksville Quadrangles, Johnson county and Vicinity, Arkansas / 
by E. A. Merewether and Boyd R. Haley. 
 -- Washington :   United States Government Printing Office,   1969 
 - 27 p. + map. -- 
 (Geological Survey Professional Paper  ;  536-C).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arkansas<br/>Geología
<br/><br/><label>Universal Decimal Class. No.: </label>55(767)