02570oam 2200721 450 991070683720332120180309074659.0(CKB)5470000002459097(OCoLC)896810482(OCoLC)995470000002459097(EXLCZ)99547000000245909720141123d1977 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCharacteristic marine molluscan fossils from the Dakota sandstone and intertongued Mancos shale, West-central New Mexico /by William A. CobbanWashington :United States Department of the Interior, Geological Survey,1977.1 online resource (iii, 30 pages, 21 unnumbered pages of plates) illustrations, mapsGeological Survey professional paper ;1009Title from title screen (viewed October 6, 2014)."Brief descriptions, illustrations, and stratigraphic sequence of the more common fossils at the base of the Cretaceous System."Includes bibliographical references (pages 26-27) and index.Mollusks, FossilAmmonoideaBivalves, FossilGastropoda, FossilPaleontologyCretaceousPaleontologyNew MexicoPaleontologyDakota FormationPaleontologyMancos ShaleAmmonoideafastBivalves, FossilfastCretaceous Geologic PeriodfastGastropoda, FossilfastPaleontologyfastNew MexicofastUnited StatesDakota AquiferfastMollusks, Fossil.Ammonoidea.Bivalves, Fossil.Gastropoda, Fossil.PaleontologyPaleontologyPaleontologyPaleontologyAmmonoidea.Bivalves, Fossil.Cretaceous Geologic Period.Gastropoda, Fossil.Paleontology.Cobban William A.1916-2015,1390881Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706837203321Characteristic marine molluscan fossils from the Dakota sandstone and intertongued Mancos shale, West-central New Mexico3511960UNINA