01832oam 2200517 450 991070428520332120160311065418.0(CKB)5470000002438819(OCoLC)885006365(EXLCZ)99547000000243881920140731d1950 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierFluorspar prospects of Montana /by Clyde P. Ross[Washington, D.C.] :United States Department of the Interior, Geological Survey,1950.Washington :United States Government Printing Office.1 online resource (iv, 173-224 pages, 18-27 pages of plates) illustrations, maps (some color)Bulletin / United States Department of the Interior, Geological Survey ;955-EContributions to economic geology ;1947-48Title from title screen (viewed July 16, 2014).Includes bibliographical references and index.Contributions to economic geology, 1947, fluorspar prospects of MontanaFluorsparMontanaMines and mineral resourcesMontanaFluorsparfastMines and mineral resourcesfastMontanafastFluorsparMines and mineral resourcesFluorspar.Mines and mineral resources.Ross Clyde P(Clyde Polhemus),1891-1965,1389483Geological Survey (U.S.),COPCOPOCLCOOCLCAOCLCFGPOBOOK9910704285203321Fluorspar prospects of Montana3491959UNINA