LANDIS, E. R.
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).
Yacimientos de Uranio
553.495
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).
Yacimientos de Uranio
553.495