Pierson, Thomas C. <br/><br/>
Reconnaissance for Radioactivity in the metal-mining districts of the San Juan mountains Colorado / 
by C. T. Pierson, W. F. Weeks and F. J. Kleinhampl. 
 -- Washington :   United States Government Printing Office,   1958 
 - P. 385-412 + map. -- 
 (Geological Survey Bulletin , 1046-O).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorado<br/>Yacimientos de Uranio
<br/><br/><label>Universal Decimal Class. No.: </label>553.495(788)