National Geographic : 1959 Mar
KODACHROMEBYANDREWH. BROWN, NATIONALGEOGRAPHICSTAFF () N.G.S. A Stout Matron of the Lakes Inches Her Bulk Through Old Soulanges Locks Seven large locks replace the old waterway's 22 smaller chambers, reducing hazards and cutting passage time. This eastbound Canadian tanker leaves the lowest lock in the Soulanges system, which will be bypassed by the 27-foot-deep Beauharnois Power Canal. Freighter in the distance enters the upper 310 lock. The Dutch flag in foreground flies from the stern of a Fjell-Oranje Lines cargo ship.