02067oam 2200517 450 991070622760332120171026113433.0(CKB)5470000002456164(OCoLC)891598727(OCoLC)995470000002456164(EXLCZ)99547000000245616420140929d1967 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierUpper Cretaceous gastropods from the Pierre Shale at Red Bird, Wyoming /by Norman F. SohlWashington :United States Department of the Interior, Geological Survey,1967.1 online resource (iv, B46 pages, 11 unnumbered pages of plates) illustrationsGeological Survey professional paper ;393-BTitle from title screen (viewed September 29, 2014)."Stratigraphy, paleontology, and sedimentation of a classic reference locality of the Pierre Shale.""A discussion of the Pierre Shale gastropod fauna, including a description of 23 named species, occurring in the Red Bird section."Includes bibliographical references (pages B40-B42) and index.Descriptive study of a classic reference locality of the Pierre ShaleGastropoda, FossilWyomingNiobrara CountyGastropoda, FossilPierre ShalePaleontologyCretaceousPaleontologyWyomingNiobrara CountyPaleontologyPierre ShaleGastropoda, FossilGastropoda, FossilPaleontologyPaleontologyPaleontologySohl Norman F(Norman Frederick),1924-1391529Geological Survey (U.S.),COPCOPOCLCOGPOBOOK9910706227603321Upper Cretaceous gastropods from the Pierre Shale at Red Bird, Wyoming3469381UNINA