LEADER 01919oam 2200481 450 001 9910707303103321 005 20160805151453.0 035 $a(CKB)5470000002464492 035 $a(OCoLC)891383472 035 $a(EXLCZ)995470000002464492 100 $a20140926d1971 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe Eagle Valley evaporite, northwest Colorado $ea regional synthesis : a regional study of the extent, thickness, lithology, stratigraphic relations, age, depositional environment, and tectonic history of thick sulfate deposits and associated salts of sodium and potassium /$fby William W. Mallory 210 1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1971. 210 2$aWashington :$cUnited States Government Printing Office. 215 $a1 online resource (iv, 37 pages, 2 pages of plates) $cillustrations (some color), maps (some color) 225 1 $aGeological Survey bulletin ;$v1311-E 225 1 $aContributions to general geology 300 $aTitle from title screen (viewed September 15, 2014). 320 $aIncludes bibliographical references (pages 35-37). 517 $aEagle Valley evaporite, northwest Colorado 606 $aEvaporites$zColorado 606 $aEvaporites$2fast 607 $aEagle Valley Formation (Colo.) 607 $aColorado$2fast 607 $aColorado$zEagle Valley Formation$2fast 615 0$aEvaporites 615 7$aEvaporites. 700 $aMallory$b William W$g(William Wyman),$f1917-$01392414 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910707303103321 996 $aThe Eagle Valley evaporite, northwest Colorado$93483146 997 $aUNINA