01974oam 2200553 450 991070613790332120170908094821.0(CKB)5470000002455050(OCoLC)891598757(OCoLC)995470000002455050(EXLCZ)99547000000245505020140929d1951 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierForaminifera from the Arctic slope of Alaska general introduction and Part 1, Triassic foraminifera /by Helen TappanWashington :United States Department of the Interior, Geological Survey,1951.1 online resource (v, 20 pages, 5 pages of plates) illustrations, mapsGeological Survey professional paper ;236-ATitle from title screen (viewed September 29, 2014)."Description and illustrations of the first Triassic foraminiferal fauna discovered in the Western Hemisphere."Includes bibliographical references (page 17) and index.Foraminifera from the Arctic slope of Alaska Foraminifera, FossilPaleontologyTriassicPaleontologyAlaskaForaminifera, FossilfastPaleontologyfastTriassic Geologic PeriodfastAlaskafastForaminifera, Fossil.PaleontologyPaleontologyForaminifera, Fossil.Paleontology.Triassic Geologic Period.Tappan Helen Niña1917-2004,1393667Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706137903321Foraminifera from the Arctic slope of Alaska3450014UNINA