LANDIS, E. R. <br/><br/>
Uranium and other trace elements in Devonian and Mississippian Black shales in the Central Midcontinent area / 
by E. R. Landis. 
 -- Washington :   United States Government Printing Office,   1962 
 - P. 290-336 + map. -- 
 (Geological Survey Bulletin  ;  1107-E).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Yacimientos de Uranio
<br/><br/><label>Universal Decimal Class. No.: </label>553.495