02272oam 2200589 450 991070681990332120180316113415.0(CKB)5470000002459272(OCoLC)954287125(OCoLC)896810530(OCoLC)995470000002459272(EXLCZ)99547000000245927220160730d1977 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierDepositional environment of Upper Cretaceous black sandstones of the Western Interior /by Robert S. Houston and John F. MurphyWashington :United States Department of the Interior, Geological Survey,1977.1 online resource (v, A29 pages) illustrations, mapsGeological Survey professional paper ;994-A"Upper Cretaceous black sandstones of the Western Interior.""Cretaceous black sandstone deposits of Western Interior have stratigraphic, structural, textural, and mineralogical characteristics helpful in reconstructing local and regional depositional environments."Includes bibliographical references (pages A28-A29).Geology, StratigraphicCretaceousSandstoneWest (U.S.)Placer depositsWest (U.S.)Cretaceous Geologic PeriodfastGeology, StratigraphicfastPlacer depositsfastSandstonefastUnited States, WestfastGeology, StratigraphicSandstonePlacer depositsCretaceous Geologic Period.Geology, Stratigraphic.Placer deposits.Sandstone.Houston Robert S(Robert Stroud),1923-1408085Murphy John F(John Francis),1922-2006.1408086Geological Survey (U.S.),OCLCEOCLCECOPOCLCFOCLCQGPOBOOK9910706819903321Depositional environment of Upper Cretaceous black sandstones of the Western Interior3491141UNINA