TY - BOOK AU - Mackenzie,George C. TI - Magnetic concentration experiments with iron ores of the Bristol mines, Que.,: iron ores of the Bathurst mines, New Brunswick, a copper nickel ore from Nairn, Ontario, AV - TH26 .A35 no. 5 PY - 1910/// CY - Ottawa PB - Government printing bureau KW - Iron ores KW - Québec (Province) ER -