Stroud, R.b <br/><br/>
Production potential of copper deposits associated with permian red bed formations in Texas, Oklahoma, and  Kansas.   
Stroud, R.b 
 - Washington  Bureau of mines  1970 
 - Report of investigations (United States. Dept. of Energy)  7422 .
<br/><br/><label>Subjects--Corporate Names: </label>
<br/><br/><label>Universal Decimal Class. No.: </label>553.43:331.522.4(764)(047)