02033oam 2200553 450 991070681310332120180320092953.0(CKB)5470000002459340(OCoLC)896810549(OCoLC)995470000002459340(EXLCZ)99547000000245934020141123d1980 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMiddle Jurassic (Bathonian) ammonites from southern Alaska /by Ralph W. ImlayWashington :United States Department of the Interior, Geological Survey,1980.1 online resource (iv, 42 pages, 24 unnumbered pages of plates) illustrations, mapGeological Survey professional paper ;1091Title from title screen (viewed October 6, 2014)."Studies of Bathonian ammonites from southern Alaska provide correlations with the arctic region in general, with the Pacific coast and western interior regions of North America, and with the early Bathonian of some other parts of the world."Includes bibliographical references (pages 38-39) and index.Middle Jurassic AmmonoideaPaleontologyJurassicPaleontologyAlaskaAmmonoideafastJurassic Geologic PeriodfastPaleontologyfastAlaskafastAmmonoidea.PaleontologyPaleontologyAmmonoidea.Jurassic Geologic Period.Paleontology.Imlay Ralph W(Ralph Willard),1908-1989,1390990Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706813103321Middle Jurassic (Bathonian) ammonites from southern Alaska3444885UNINA