Cannon, Helen L.  1911-1996 <br/><br/>
The development of botanical methods of prospecting for Uranium on the Colorado plateau / 
by Helen L. Cannon. 
 -- Washington :   United States Government Printing Office,   1960 
 - 50 p. + map. -- 
 (Geological Survey Bulletin  ;  1085-A).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorado<br/>Geobotánica<br/>Yacimientos de Uranio
<br/><br/><label>Universal Decimal Class. No.: </label>553.495(788) ; 581.9(788)