2021 Engineer’s Day being Re-Engineered
The 1,000 foot Paul R. Tregurtha freighter locks through the Poe Lock in Sault Ste. Marie, Mich., on Sept 26, 2011.

Download Image: Full Size (1.62 MB)
Photo by: U.S. Army Corps of Engineers, Detroit District |  VIRIN: 110926-A-A1424-1001.JPG