Haley, Boyd Raymond,  1922- <br/><br/>
Geological formations penetrated by the Shell Oil Company No. 1 Western Coal and Mining Co. well on the backbone anticline, Sebastian County, Arkansas, 
by Boyd R. Haley and Sherwood E. Frezon. 
 - [Little Rock]  Arkansas Geological Commission,  1965. 
 - 17 p.  1 fold. illus.  28 cm. 
 - Arkansas. Geological Commission. Information circular  20-D .
 - Information circular (Arkansas Geological Commission) ;  20-D. .
<br/><br/> "Prepared in cooperation with the U.S. Geological Survey." 
<br/><br/>Bibliography: p. 6-7. 
<br/><br/><label>LCCN: </label>gs 65000397  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Arkansas--Sebastian County.<br/>Borings--Arkansas--Sebastian County.<br/>Geology, Stratigraphic--Paleozoic.<br/>Formations (Geology)--Sebastian County.
<br/><br/><label>LC Class. No.: </label>QE87  / .A3 no. 20-D 
<br/><br/><label>Dewey Class. No.: </label>557.67/08 s