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SOO LOCKS
Sault Ste. Marie, Michigan
Contributed by Rod & Judy Ness of Hermantown, Minnesota

Soo Locks
Rod Ness


Rod and Judy visited the Soo Locks in July, 2006 and witnessed the dramatic 21-foot drop of a cargo ship on its way to Lake Huron and other destinations on the Great Lakes. Lake Superior is 21 feet higher than any of the other lakes, which means that ocean-going ships must use the locks to reach ports in Lake Superior.

Soo Locks
Rod Ness


The Soo Locks are managed by the US Army Corps of Engineers and can accommodate the 1,000-foot freighters that move cargo and equipment between ports on the Great Lakes and international ports.

Soo Locks
Rod Ness

Soo Locks
U.S. Army Corps of Engineers

Closed in winter, the Soo Locks usually open in late March, making them interesting to check out over spring break.

Here are some excellent Web sites that explain more about this unique engineering marvel:

General Background
How the locks work
Web Cam of the Locks

[Map]

Photographed by Rod Ness 7/2/06
Posted on RoadTrip America 3/07



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