LEADER 02023oam 2200577I 450 001 9910711319803321 005 20180913093343.0 035 $a(CKB)5470000002482836 035 $a(OCoLC)953269089 035 $a(OCoLC)995470000002482836 035 $a(EXLCZ)995470000002482836 100 $a20160708d1953 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA preliminary determination of the age of some uranium ores of the Colorado plateaus by the lead-uranium method /$fby L.R. Stieff, T.W. Stern, and R.G. Milkey 210 1$aWashington, D.C. :$cUnited States Department of the Interior, Geological Survey,$d1953. 215 $a1 online resource (19 pages) $cillustrations, map 225 1 $aGeological Survey circular ;$v271 300 $a"This report concerns work done on behalf on the U.S. Atomic Energy Commission and is published with the permission of the Commission." 320 $aIncludes bibliographical references (page 16). 606 $aGeology$zColorado 606 $aUranium$xDecay 606 $aUranium-lead dating 606 $aGeology$2fast 606 $aUranium$xDecay$2fast 606 $aUranium-lead dating$2fast 607 $aColorado$2fast 615 0$aGeology 615 0$aUranium$xDecay. 615 0$aUranium-lead dating. 615 7$aGeology. 615 7$aUranium$xDecay. 615 7$aUranium-lead dating. 700 $aStieff$b L. R$g(Lorin Rollins),$f1920-$01388752 702 $aMilkey$b R. G. 702 $aStern$b T. W. 712 02$aGeological Survey (U.S.), 712 02$aU.S. Atomic Energy Commission, 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCA 801 2$bGPO 906 $aBOOK 912 $a9910711319803321 996 $aA preliminary determination of the age of some uranium ores of the Colorado plateaus by the lead-uranium method$93439713 997 $aUNINA