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1956 production anodes apatite Appalachian region Arvida asbestos Asbestos Corporation Ltd ASBESTOS MINES brick brucite Buckingham building Canadian Copper Refiners Canadian Johns-Manville Company Chibougamau chromite clay Company of Canada concentrate copper Copper Refiners Ltd Courtesy Iron deposits duction Eastern Townships electric feldspar furnaces Gaspe peninsula Gold Mines granite Grenville region Havre St hundred ilmenite ingots Iron Ore Company Johns-Manville Company Ltd Laurentian plateau Lawrence lowland Lawrence river limestone Lithium Magnesium magnetite Malartic manganese marl mica miles mill million tons Mines Ltd Molybdenite Montreal East Mount Reed Murdochville Noranda northern Quebec operations output peat plant pounds Precambrian PROVINCE OF QUEBEC pyrite quarried Quebec city recovered refinery at Montreal refractory rocks sand and gravel sandstone Schefferville Schefferville in northern sedimentary selenium Sept lles shale Shawinigan Falls shipped shore silica sulphur Temiscamingue Temiscamingue region thousand tons Tio Lake titanium dioxide tons valued Val d'Or vicinity western Quebec zinc zinc Copper