01573oam 2200457 450 991070398190332120150826070731.0(CKB)5470000002435919(OCoLC)882309779(EXLCZ)99547000000243591920140701d1906 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierCorundum and its occurrence and distribution in the United States /by Joseph Hyde PrattRevised and enlarged edition of Bulletin no. 180.Washington, D.C. :Department of the Interior, United States Geological Survey,1906.Washington :Government Printing Office.1 online resource (175 pages, XVIII pages of plates) illustrations, mapsBulletin / United States Geological Survey ;no. 269Series A, Economic geology, 61Title from title screen (viewed June 27, 2014).Includes bibliographical references and index.CorundumUnited StatesCorundumfastCorundumCorundum.Pratt Joseph Hyde1870-1942,1386890Geological Survey (U.S.),COPCOPOCLCOOCLCFOCLCAGPOBOOK9910703981903321Corundum and its occurrence and distribution in the United States3436193UNINA