Numerous shots of iron ore being loaded aboard freighters at Sept-Iles, Quebec. Several shots of Manicouagan power project Manic 2 showing dam in operation and electrical installations. Several shots of Manicouagan power project Manic 5 under construction. MLS and MS of dredge in operation in river. Interior shots of smelter plant showing molten bronze being poured into moulds. Several shots of freighters in locks and in canals on Saint Lawrence Seaway. Shots of old Lachine Rapids. Several shots of truck trailers being loaded onto flat cars at piggyback station.