01742oam 2200481 450 991071141500332120181018085620.0(CKB)5470000002483895(OCoLC)953266910(OCoLC)995470000002483895(EXLCZ)99547000000248389520160708e19581952 da 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierGeology of the northern Crystal Falls area, Iron County, Michigan /by F.J. Pettijohn ; prepared with the cooperation of the Geological Survey Division, Michigan Department of ConservationWashington, D.C. :United States Department of the Interior, Geological Survey,1952.Washington, D.C. :United States Department of the Interior, Geological Survey,1958.1 online resource (iii, 17 pages) maps +8 platesGeological Survey circular ;153Includes bibliographical references (page 17).GeologyMichiganIron CountyGeologyfastCrystal Falls (Mich.)MichiganCrystal FallsfastMichiganIron CountyfastGeologyGeology.Pettijohn F. J(Francis John),1904-1999,631097Geological Survey (U.S.),Michigan.Geological Survey Division.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910711415003321Geology of the northern Crystal Falls area, Iron County, Michigan3486677UNINA