01284oam 2200433I 450 991070683750332120180308163410.0(CKB)5470000002459094(OCoLC)609323556(OCoLC)658055985(EXLCZ)99547000000245909420100425d1956 ua 0engurbn||||a||||txtrdacontentcrdamediacrrdacarrierLaboratory concentration of various Alaska copper ores /by R.R. Wells[Washington, D.C.] :United States Department of the Interior, Bureau of Mines,1956.1 online resource (ii, 9 pages) mapReport of investigations ;5245"June 1956."Copper oresAlaskaCopper oresfastAlaskafastCopper oresCopper ores.Wells R. R.1398007United States.Bureau of Mines,OCLCEOCLCEOCLCQOCLCOOCLCFOCLCQGPOBOOK9910706837503321Laboratory concentration of various Alaska copper ores3460472UNINA