LEADER 01281oam 2200397Ia 450 001 9910696388203321 005 20071220120352.0 035 $a(CKB)5470000002376946 035 $a(OCoLC)180030478 035 $a(EXLCZ)995470000002376946 100 $a20071031d2007 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aEvaluation of potash grade with gamma-ray logs$b[electronic resource] /$fby Philip H. Nelson 205 $aVersion 1.0. 210 1$aReston, Va. :$cU.S. Geological Survey,$d2007. 215 $a14 pages $cdigital, PDF file 225 1 $aOpen-file report ;$v2007-1292 300 $aTitle from PDF title screen (viewed on Oct. 29, 2007). 320 $aIncludes bibliographical references (pages 13-14). 606 $aPotash deposits$xEvaluation 606 $aRadioactive prospecting 615 0$aPotash deposits$xEvaluation. 615 0$aRadioactive prospecting. 700 $aNelson$b Philip H$01383926 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bGPO 906 $aBOOK 912 $a9910696388203321 996 $aEvaluation of potash grade with gamma-ray logs$93510905 997 $aUNINA