02307oam 2200613 450 991070713710332120160506150957.0(CKB)5470000002462128(OCoLC)695756798(OCoLC)891382582(EXLCZ)99547000000246212820110108d1967 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierThe Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey a clarification of the stratigraphy of clastic rocks of Middle and Late Ordovician age in western New Jersey and eastern Pennsylvania /by Avery Ala Drake, Jr. and Jack B. Epstein ; prepared in cooperation with the Pennsylvania Geological Survey[Washington, D.C.] :United States Department of the Interior, Geological Survey,1967.Washington :U.S. Government Printing Office.1 online resource (16 pages) illustrationsGeological Survey bulletin ;1244-HContributions to stratigraphyTitle from title screen (viewed May 6, 2016).Includes bibliographical references (pages 15-16).Martinsburg formation Geology, StratigraphicOrdovicianGeologyPennsylvaniaGeologyNew JerseyGeologyfastGeology, StratigraphicfastOrdovician Geologic PeriodfastNew JerseyfastPennsylvaniafastGeology, StratigraphicGeologyGeologyGeology.Geology, Stratigraphic.Ordovician Geologic Period.Drake Avery Ala1927-1386063Geological Survey (U.S.),Geological Survey of Pennsylvania,OCLCEOCLCEOCLCQOCLCFOCLCQCOPOCLCOGPOBOOK9910707137103321The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey3541476UNINA