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aircraft annual asbestos Atikokan base-metal belt bill of lading blasting British Columbia Canada Canadian mines capacity cargo Carrier cars cent cents/lb charges Chibougamau CIM Trans coal Coast Cobalt commodity rate Company of Canada construction conveyor copper diesel drill dump Eastern Townships equipment facilities feet Figure Flin Flon gold Gowganda handling haul haulage haulageways holes idlers industry inland iron Keno Hill Lake lead loading locomotives maintenance major Manitoba Manitouwadge markets methods miles mill million ounces mineral producers Mines Limited mining companies Montreal Montreal East Murdochville nickel Noranda northern Ontario open-pit mines operations orebodies Ottawa pipeline pipeline transport ports Primacord pulley Quebec rail railway refined refinery River roads rock route Saskatchewan Schefferville shipments shipper shovels silver production Slave Lake smelter Smelting steel stopes Table tariffs tons transport cost trucks underground vehicles vessels waterways weight Yukon Territory zinc concentrates