On the Lock Floor
The lock nearly empty, the Cranebarge Harvey sits on the floor. To the right the emptying culverts are visible. When lowering the lock water drains out of these 12 foot X 8 foot culverts on either side of the lock.

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Tags: Soo Locks
Photo by: U.S. Army Corps of Engineers |  VIRIN: 121219-A-YU979-931.JPG