02389oam 2200637I 450 991070719950332120160408144642.0(CKB)5470000002461498(OCoLC)885009136(EXLCZ)99547000000246149820140731d1950 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCorundum deposits of Gallatin and Madison counties, Montana /by S.E. Clabaugh and F.C. Armstrong[Washington, D.C.] :Department of the Interior, United States Geological Survey,1950.Washington :United States Government Printing Office.1 online resource (iii, 29-53 pages, 11-15 pages of plates) illustrations (some color), maps (some color)Geological Survey bulletin ;969-BContributions to economic geology ;1949-50Title from title screen (viewed July 21, 2014).Includes bibliographical references and index.Contributions to economic geology, 1949-50, corundum deposits, Gallatin and Madison counties, Mont.GeologyMontanaGallatin CountyGeologyMontanaMadison CountyCorundumMontanaMadison CountyCorundumMontanaGallatin CountyMines and mineral resourcesMontanaMadison CountyMines and mineral resourcesMontanaGallatin CountyCorundumfastMines and mineral resourcesfastMontanafastMontanaGallatin CountyfastMontanaMadison CountyfastGeologyGeologyCorundumCorundumMines and mineral resourcesMines and mineral resourcesCorundum.Mines and mineral resources.Clabaugh Stephen E(Stephen Edmund),1393420Armstrong F. C(Francis Claudius),Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910707199503321Corundum deposits of Gallatin and Madison counties, Montana3457731UNINA