01902oam 2200529 450 991070739410332120160706163710.0(CKB)5470000002463573(OCoLC)889600856(EXLCZ)99547000000246357320140829d1991 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierDepositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana /by R.G. Tysdal[Reston, Va.] :U.S. Department of the Interior, U.S. Geological Survey,1991.[Washington, D.C.] :United States Government Printing Office.1 online resource (iv, 23 pages) illustrations, mapsU.S. Geological Survey Bulletin ;1949Title from title screen (viewed Aug. 20, 2014).Includes bibliographical references.GeologyMontanaMadison RangeGeology, StratigraphicCretaceousCretaceous Geologic PeriodfastGeologyfastGeology, StratigraphicfastFrontier FormationMontanaMadison RangefastUnited StatesFrontier FormationfastGeologyGeology, StratigraphicCretaceous Geologic Period.Geology.Geology, Stratigraphic.Tysdal Russell G.1386990Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707394103321Depositional environments for strata of composite section of Frontier Formation, Madison Range, southwestern Montana3458819UNINA