Engineering and Mining Journal, Volume 146

alloy aluminum American Antimony average barite bauxite belt Bureau of Mines cable Calif capacity cent concentrates conveyor copper Corp costs County crusher deposits diamond drilling district domestic duction Electric engineer equipment export feed flotation Fluorspar Gold Mines grade hoist holes increased installed iron June labor Lake lead lease long ton machine Magnesite magnesium magnetic manager manganese material ment metallurgical metallurgy Metals Reserve miles mill mineral mining industry molybdenum operations orebodies output percent Philco plant postwar president problems production pump recently reported Salt Lake City scheelite Sept shaft shipped shortage silver sintering smelter Smelting steel stockpile supply tariff tion tons tungsten tunnel U. S. Bureau United Utah V-E Day vanadium vein wage War Production Board welded York zinc