01281oam 2200397Ia 450 991069638820332120071220120352.0(CKB)5470000002376946(OCoLC)180030478(EXLCZ)99547000000237694620071031d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEvaluation of potash grade with gamma-ray logs[electronic resource] /by Philip H. NelsonVersion 1.0.Reston, Va. :U.S. Geological Survey,2007.14 pages digital, PDF fileOpen-file report ;2007-1292Title from PDF title screen (viewed on Oct. 29, 2007).Includes bibliographical references (pages 13-14).Potash depositsEvaluationRadioactive prospectingPotash depositsEvaluation.Radioactive prospecting.Nelson Philip H1383926Geological Survey (U.S.)GISGISGPOBOOK9910696388203321Evaluation of potash grade with gamma-ray logs3510905UNINA