Three HALSs of freighter in access canal. Rear shots of freighter moving through canal. Shots of Canadian Steamship Lines freighter passing through locks of canal. Two shots of freighter "Sir James Dunn" passing through locks. TILT DOWN from open gates to freighter. Several shots of freighters moving through locks. CS of locks opening and closing. LS of freighter on Great Lakes. Shot of Montreal skyline as seen from Saint Helen's Island.