02335oam 2200709 450 991070735970332120160718155112.0(CKB)5470000002463920(OCoLC)891382746(EXLCZ)99547000000246392020140926d1970 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAge of the Bedford Shale, Berea Sandstone, and Sunbury Shale in the Appalachian and Michigan basins, Pennsylvania, Ohio, and Michigan /by Wallace De Witt, Jr[Washington, D.C.] :United States Department of the Interior, Geological Survey,1970.Washington :United States Government Printing Office.1 online resource (iii, 11 pages) illustrationsGeological Survey bulletin ;1294-GContributions to stratigraphyTitle from title screen (viewed September 15, 2014).Includes bibliographical references ( pages 10-11).SandstoneAppalachian BasinSandstoneMichigan Basin (Mich. and Ont.)SandstoneMichiganSandstoneOhioSandstonePennsylvaniaShaleMichiganShaleOhioShalePennsylvaniaShaleMichigan Basin (Mich. and Ont.)ShaleAppalachian BasinSandstonefastShalefastMichiganfastOhiofastPennsylvaniafastSandstoneSandstoneSandstoneSandstoneSandstoneShaleShaleShaleShaleShaleSandstone.Shale.De Witt WallaceJr.,1920-2012,1406763Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707359703321Age of the Bedford Shale, Berea Sandstone, and Sunbury Shale in the Appalachian and Michigan basins, Pennsylvania, Ohio, and Michigan3486457UNINA