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001 9910704231103321
005 20160311172523.0
035   $a(CKB)5470000002439366
035   $a(OCoLC)885009231
035   $a(EXLCZ)995470000002439366
100   $a20140731d1953      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aRefractory clay deposits of south-central Colorado $ea description of the refractory and semirefractory clays in the Purgatoire formation and Dakota sandstone /$fby Karl M. Waage?
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1953.
210  2$aWashington :$cUnited States Government Printing Office.
215   $a1 online resource (vi, 104 pages, 5 pages of plates) $cillustrations
225 1 $aGeological Survey bulletin ;$v993
300   $aTitle from title screen (viewed July 21, 2014).
320   $aIncludes bibliographical references and index.
517   $aRefractory clay deposits of south-central Colorado 
606   $aClay$zColorado
606   $aGeology, Stratigraphic$yCretaceous
606   $aGeology$zColorado
606   $aClay$2fast
606   $aCretaceous Geologic Period$2fast
606   $aGeology$2fast
606   $aGeology, Stratigraphic$2fast
607   $aColorado$2fast
615  0$aClay
615  0$aGeology, Stratigraphic
615  0$aGeology
615  7$aClay.
615  7$aCretaceous Geologic Period.
615  7$aGeology.
615  7$aGeology, Stratigraphic.
700   $aWaage?$b Karl M$g(Karl Mensch),$f1915-1999,$01404625
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910704231103321
996   $aRefractory clay deposits of south-central Colorado$93538903
997   $aUNINA