01243oam 2200409 a 450 991069892740332120090916084626.0(CKB)5470000002398604(OCoLC)426147019(EXLCZ)99547000000239860420090717d2009 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierCopper[electronic resource] a metal for the ages /text prepared by Jeff Doebrich[Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2009]4 unnumbered pages digital, PDF fileFact sheet ;2009-3031Title from title screen (viewed on July 17, 2009).At head of title: USGS Mineral Resources Program."May 2009."Copper CopperCopper oresCopper.Copper ores.Doebrich Jeff L1391178Mineral Resources Program (Geological Survey)GPOGPOGPOBOOK9910698927403321Copper3444674UNINA