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1955 MINERAL RESOURCES abrasive acid aggregate Alberta alloys aluminum amount arsenic asbestos barite bentonite Blind River British Columbia Brunswick calcium Canada Canada Limited Canadian capacity cement cent copper ceramic chemical Chibougamau clay coal cobalt Company Limited Company of Canada concentrates construction Consumption 1956 containing Corporation Limited countries crude deposits diatomite drilling east exploration Exports fluorspar Gold Mines grade granite Gypsum important increase Industrial Minerals Division International Nickel iron oxide Lake lime limestone lithium long tons magnetite Manitoba manufacture markets metal mica miles mill million MINERAL RESOURCES DIVISION Mines Limited Mines Ltd Mining and Smelting Montreal natural gas Newfoundland Noranda northwest Nova Scotia occur Ontario operations ounces output petroleum pigments pipe line plant potash pounds province quarried Quebec refinery refining River rock salt sand Saskatchewan shipments shipped Short Tons silica slag smelter Smelting Company spodumene steel stone Sudbury sulphur titanium Total Trade uranium Vermiculite zinc