Winter maintenance on the MacArthur Lock
Two workers use a special wrench to open a valve that will allow water to flow from the debris pit on the other side of the lock gate into the lower end of the lock where it can be pumped out. This is part of the annual maintenance done at the Soo Locks each winter.

Download Image: Full Size (0.34 MB)
Photo by: 121219-A-YU979-103 |  VIRIN: 121219-A-YU979-103.JPG