01211nas 2200385-a 450 99621136100331620240112213020.0(DE-599)ZDB2140690-X(OCoLC)60622521(CKB)110978966553034(CONSER)--2008247610(EXLCZ)9911097896655303420050614a19699999 sb- -engurun|||||||||txtrdacontentcrdamediacrrdacarrierPennsylvania geology[Harrisburg] [Topographic and Geologic Survey, Dept. of Environmental Resources]0048-3214 Pennsylvania geology onlineGeologyPennsylvaniaPeriodicalsGeologyfast(OCoLC)fst00940627Pennsylvaniafasthttps://id.oclc.org/worldcat/entity/E39PBJwmQkJKC3ppCRd8PKBpT3Periodicals.fastPeriodicals.lcgftGeologyGeology.557.48/05Pennsylvania.Bureau of Topographic and Geologic Survey.JOURNAL996211361003316Pennsylvania geology2054635UNISA