01717oam 2200493 450 991070384440332120150724143748.0(CKB)5470000002435288(OCoLC)670364571(OCoLC)654479537(OCoLC)657155568(OCoLC)882514459(EXLCZ)99547000000243528820101016d1917 ua 0engurbn||||||abptxtrdacontentcrdamediacrrdacarrierThe enrichment of ore deposits /by William Harvey Emmons[Washington, D.C.] :Department of the Interior, United States Geological Survey,1917.Washington :Government Printing Office.1 online resource (530 pages, VII pages of plates) illustrationsBulletin / Department of the Interior, United States Geological Survey ;625At head of title: Department of the Interior, United States Geological Survey.Title from title screen (viewed July 24, 2015).Includes bibliographical references (pages 20-33) and index.GeologyUnited StatesOre depositsUnited StatesOre depositsfastGeologyOre depositsOre deposits.Emmons William H(William Harvey),1876-1948,270811Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCFOCLCQCOPOCLCAGPOBOOK9910703844403321The enrichment of ore deposits3448919UNINA