WALKER, George W. <br/><br/>
Introduction to the geology of Uranium-bearing veins in the conterminous United States / 
by George W. Walker and Frank W. Osterwald. 
 -- Washington :   United States Government Printing Office,   1963 
 - 120 p. + map. -- 
 (Geological Survey Professional Paper  ;  455-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Depósitos de minerales<br/>Uranio
<br/><br/><label>Universal Decimal Class. No.: </label>553.495