02261oam 2200613 450 991070652350332120171212085754.0(CKB)5470000002457215(OCoLC)892425336(OCoLC)995470000002457215(EXLCZ)99547000000245721520141006d1965 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierStratigraphy of the Pierre Shale, Valley City and Pembina Mountain areas, North Dakota /by James R. Gill and William A. CobbanWashington :United States Department of the Interior, Geological Survey,1965.1 online resource (iii, A20 pages) illustrations, mapsGeological Survey professional paper ;392-ATitle from title screen (viewed September 30, 2014)."Studies of the Pierre Shale in the northern Great Plains.""Five lithologic subdivisions of the Pierre Shale in eastern North Dakota correlated with equivalent rocks in central South Dakota, eastern Wyoming, central Montana, and southern Manitoba."Includes bibliographical references (pages A19-A20).GeologyNorth DakotaGeology, StratigraphicCretaceousShaleNorth DakotaCretaceous Geologic PeriodfastGeologyfastGeology, StratigraphicfastShalefastPierre ShaleNorth DakotafastGeologyGeology, StratigraphicShaleCretaceous Geologic Period.Geology.Geology, Stratigraphic.Shale.Gill James R(James Rogers),1922-1972,1389485Cobban William A.1916-2015,Geological Survey (U.S.),COPCOPOCLCOOCLCFTRAALGPOBOOK9910706523503321Stratigraphy of the Pierre Shale, Valley City and Pembina Mountain areas, North Dakota3539149UNINA