02178oam 2200613 450 991070581900332120170809094952.0(CKB)5470000002454230(OCoLC)891581539(OCoLC)995470000002454230(EXLCZ)99547000000245423020140929d1966 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGeology and igneous petrology of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana /by Harry W. Smedes; prepared partly on behalf of the U.S. Atomic Energy CommissionWashington :United States Department of the Interior, Geological Survey,1966.1 online resource (v, 116 pages) illustrations, maps +3 platesGeological Survey professional paper ;510Title from title screen (viewed September 24, 2014).Includes bibliographical references (pages 113-116).GeologyMontanaElkhorn MountainsIgneous rocksPetrologyMontanaElkhorn MountainsGeologyfastIgneous rocksfastPetrologyfastBroadwater County (Mont.)Elkhorn Mountains (Mont.)Jefferson County (Mont.)MontanaBroadwater CountyfastMontanaElkhorn MountainsfastMontanaJefferson CountyfastGeologyIgneous rocks.PetrologyGeology.Igneous rocks.Petrology.Smedes Harry W(Harry Wynn),1926-1395480Geological Survey (U.S.),U.S. Atomic Energy Commission,COPCOPOCLCOOCLCFOCLCAGPOBOOK9910705819003321Geology and igneous petrology of the northern Elkhorn Mountains, Jefferson and Broadwater Counties, Montana3454069UNINA