Entering the Poe Lock
A view aboard the Paul R. Tregurtha as it enters the Poe Lock at the Soo Locks March 25, 2013. The Tregurtha was the first ship to lock through, marking the beginning of the 2013 shipping season.

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Tags: Shipping
Photo by: US Army Corps of Engineers |  VIRIN: 130325-A-YU979-149.JPG