John Day Dam lock
This downstream view of the navigation lock at the John Day Dam on the Columbia River showcases the Guillotine Gate. The Portland District, U.S. Army Corps of Engineers received funds to replace John Day Dam navigation lock's downstream gate bearing shoes with funding from the Infrastructure Investment and Jobs Act (IIJA) and the Disaster Relief Supplemental Appropriations Act.

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Photo by: Amber Tilton |  VIRIN: 140110-A-PE395-0034.JPG