02074oam 2200553 450 991070969900332120180517112934.0(CKB)5470000002471242(OCoLC)896810952(OCoLC)995470000002471242(EXLCZ)99547000000247124220141123d1989 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierReconnaissance stratigraphy of the Prichard Formation (Middle Proterozoic) and the early development of the Belt basin, Washington, Idaho, and Montana /by Earle R. CressmanWashington :Department of the Interior, U.S. Geological Survey,19.1 online resource (iv, 80 pages) illustrations, maps (some color). +4 platesU.S. Geological Survey professional paper ;1490Title from title screen (viewed October 16, 2014).Includes bibliographical references (pages 72-80).Reconnaissance stratigraphy of the Prichard Formation Geology, StratigraphicProterozoicGeologyWashington (State)GeologyIdahoGeologyMontanaGeology, StratigraphicfastProterozoic Geologic PeriodfastPrichard FormationUnited StatesPrichard FormationfastGeology, StratigraphicGeologyGeologyGeologyGeology, Stratigraphic.Proterozoic Geologic Period.Cressman Earle Rupert1923-1387068Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910709699003321Reconnaissance stratigraphy of the Prichard Formation (Middle Proterozoic) and the early development of the Belt basin, Washington, Idaho, and Montana3449834UNINA