01748oam 2200529I 450 991070766510332120161025131250.0(CKB)5470000002465886(OCoLC)885121610(EXLCZ)99547000000246588620140802d1963 ua 0engurn||||||||||txtrdacontentcrirdacontentcrdamediacrrdacarrierGeology of the Duck Creek Pass quadrangle, Montana /Willis H. NelsonWashington, D.C. :United States Department of the Interior, Geological Survey,1963.Washington, D.C. :Government Printing Office.1 online resource (iv, 56 pages, 1 page of plate) illustrations, maps, charts, photographsContributions to general geologyGeological Survey bulletin ;1121-JTitle from title screen (viewed July 24, 2014).Includes bibliographical references (pages 53-54) and index.GeologyMontanaGeology, StratigraphicGeologyfastGeology, StratigraphicfastMontanafastGeologyGeology, Stratigraphic.Geology.Geology, Stratigraphic.Nelson Willis H(Willis Howard),1920-2010,1399282Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOOCLCOGPOBOOK9910707665103321Geology of the Duck Creek Pass quadrangle, Montana3488839UNINA