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Regional mineral developments by G Bokovay and 16
Canadian reserves of seven metals by W Laughlin 23
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50 per cent Alberta aluminum announced annual asbestos average base metal British Columbia byproduct Canada Canadian Canadian mineral capacity cement closed closure cobalt Cominco concentrates construction consumption continued copper cost countries crude declined demand deposit drilling economic Energy estimated expansion expected exploration exports Falconbridge Limited federal grade Heath Steele Mines improve Inco Inco Limited increase inventories iron Japan July June Lake lead levels major Manitoba ment mill million t/y mineral industry Mineral Policy Sector Mines and Resources Mines Limited Mines Ltd molybdenum months natural gas nickel Nonferrous Noranda Mines Ontario open pit operations output plant potash production province Quebec rates recovery reduced refinery reopen reserves result Rio Algom Saskatchewan scheduled shipments shutdown silver producing smelter Smelting stockpile sulphur supply tantalum thermal coal tion tonnes trade tungsten United uranium western year-end Yukon zinc