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035   $a(CKB)5470000002462128
035   $a(OCoLC)695756798$z(OCoLC)891382582
035   $a(EXLCZ)995470000002462128
100   $a20110108d1967      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey $ea clarification of the stratigraphy of clastic rocks of Middle and Late Ordovician age in western New Jersey and eastern Pennsylvania /$fby Avery Ala Drake, Jr. and Jack B. Epstein ; prepared in cooperation with the Pennsylvania Geological Survey
210  1$a[Washington, D.C.] :$cUnited States Department of the Interior, Geological Survey,$d1967.
210  2$aWashington :$cU.S. Government Printing Office.
215   $a1 online resource (16 pages) $cillustrations
225 1 $aGeological Survey bulletin ;$v1244-H
225 1 $aContributions to stratigraphy
300   $aTitle from title screen (viewed May 6, 2016).
320   $aIncludes bibliographical references (pages 15-16).
517   $aMartinsburg formation 
606   $aGeology, Stratigraphic$yOrdovician
606   $aGeology$zPennsylvania
606   $aGeology$zNew Jersey
606   $aGeology$2fast
606   $aGeology, Stratigraphic$2fast
606   $aOrdovician Geologic Period$2fast
607   $aNew Jersey$2fast
607   $aPennsylvania$2fast
615  0$aGeology, Stratigraphic
615  0$aGeology
615  0$aGeology
615  7$aGeology.
615  7$aGeology, Stratigraphic.
615  7$aOrdovician Geologic Period.
700   $aDrake$b Avery Ala$f1927-$01386063
712 02$aGeological Survey (U.S.),
712 02$aGeological Survey of Pennsylvania,
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bOCLCF
801  2$bOCLCQ
801  2$bCOP
801  2$bOCLCO
801  2$bGPO
906   $aBOOK
912   $a9910707137103321
996   $aThe Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey$93541476
997   $aUNINA