Stephenson, Lloyd William <br/><br/>
A contribution to the Geology of Northeastern Texas and southern Oklahoma. 

 - Washington  Government Printing Office  1918 
 - pp. 129-163 
<br/><br/> Impreso 
<br/><br/><br/>Ingles 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA