02242oam 2200601 450 991070779310332120161116142804.0(CKB)5470000002466613(OCoLC)885121746(EXLCZ)99547000000246661320140802d1962 ua 0engurn||||||||||crirdacontenttxtrdacontentcrdamediacrrdacarrierA pleistocene ice sheet in the northern Boulder Mountains, Jefferson, Powell, and Lewis and Clark Counties, Montana /E.T. RuppelWashington, D.C. :United States Department of the Interior, Geological Survey,1962.Washington, D.C. :Government Printing Office.1 online resource (iii, 62 pages, 2 pages of plates) illustrations, mapsGeological Survey bulletin ;1141-GContributions to general geology.Title from title screen (viewed July 24, 2014).Additional title page description: "A descriptive report of the glacial geology in the northern part of the Boulder Mountains, Montana."Includes bibliographical references (pages 21-22).GeologyMontanaGeology, StratigraphicCretaceousGeology, StratigraphicTertiaryCretaceous Geologic PeriodfastGeologyfastGeology, StratigraphicfastTertiary Geologic PeriodfastMontanafastGeologyGeology, StratigraphicGeology, StratigraphicCretaceous Geologic Period.Geology.Geology, Stratigraphic.Tertiary Geologic Period.Ruppel Edward Thompson1925-1395977Geological Survey (U.S.),COPCOPOCLCOGPOOCLCFGPOBOOK9910707793103321A pleistocene ice sheet in the northern Boulder Mountains, Jefferson, Powell, and Lewis and Clark Counties, Montana3512575UNINA