Morgan, George Dillon,  1894- <br/><br/>
A Siluro-Devonian oil horizon in southern Oklahoma, 
by Geo. D. Morgan. 
 - Norman,  1922. 
 - 13p.  incl.tables.  23cm. 
 - Oklahoma.  Geological Survey.  Circular  no. 10 .
<br/><br/> Research and field investigation series.  Paper no. 1. 
<br/><br/><label>LCCN: </label>gs 22000152  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Oklahoma.
<br/><br/><label>LC Class. No.: </label>QE153  / .A3 no. 10 
<br/><br/><label>Dewey Class. No.: </label>557/.66