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035   $a(EXLCZ)995470000002434711
100   $a20140626d1896      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe Cambrian rocks of Pennsylvania /$fby Charles Doolittle Walcott
210  1$aWashington, D.C. :$cDepartment of the Interior, United States Geological Survey,$d1896.
210  2$aWashington :$cGovernment Printing Office.
215   $a1 online resource (43 pages, XV pages of plates) $cillustrations, map
225 1 $aBulletin of the United States Geological Survey ;$vno. 134
300   $aTitle from title screen (viewed June 24, 2014).
320   $aIncludes bibliographical references and index.
606   $aGeology$zPennsylvania
606   $aGeology, Stratigraphic$yCambrian
606   $aCambrian Geologic Period$2fast
606   $aGeology$2fast
606   $aGeology, Stratigraphic$2fast
607   $aPennsylvania$2fast
615  0$aGeology
615  0$aGeology, Stratigraphic
615  7$aCambrian Geologic Period.
615  7$aGeology.
615  7$aGeology, Stratigraphic.
700   $aWalcott$b Charles D$g(Charles Doolittle),$f1850-1927,$081009
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCE
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910703701503321
996   $aThe Cambrian rocks of Pennsylvania$93475534
997   $aUNINA