Interior shots of wheat cleaning process in grain elevator, of grain inspection operation. Several MSs and MCSs of grain travelling on conveyor belts. Various shots of grain elevators at Prescott and Port Colborne in Ontario, freighters passing on Saint Lawrence River. Various shots of freighters on Saint Lawrence River, river bank in background, ferries crossing river in one shot and view of tugboat towing freighter in two shots. Various shots of Quebec City Harbour, moored passenger ships, freighters and aircraft carrier, Chateau Frontenac in background in most shots.