02030oam 2200493 450 991070586060332120170727084047.0(CKB)5470000002453810(OCoLC)891581431(OCoLC)995470000002453810(EXLCZ)99547000000245381020140929d1971 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCoal-bearing Upper Pennsylvanian and Lower Permian rocks, Washington area, Pennsylvania /by Henry L. Berryhill, Jr., Stanley P. Schweinfurth, and Bion H. KentWashington :United States Department of the Interior, Geological Survey,1971.1 online resource (iv, 47 pages) illustrations, maps +2 tables and 8 platesGeological Survey professional paper ;621Title from title screen (viewed September 24, 2014)."Work done in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey."Includes bibliographical references (pages 43-44) and index.pt. 1. Lithofacies. -- pt. 2. Economic and engineering geology.CoalGeologyPennsylvaniaWashington RegionGeology, StratigraphicPennsylvanianGeology, StratigraphicPermianCoalGeologyGeology, StratigraphicGeology, StratigraphicBerryhill Henry L.Jr.(Henry Lee),1921-2013,1386788Kent Bion H(Bion Huntley),1925-Schweinfurth Stanley P.Geological Survey (U.S.),Pennsylvania.Bureau of Topographic and Geologic Survey.COPCOPOCLCOGPOBOOK9910705860603321Coal-bearing Upper Pennsylvanian and Lower Permian rocks, Washington area, Pennsylvania3485518UNINA