Contractors working for the U.S. Army Corps of Engineers Pittsburgh District install a 23-foot-tall concrete shaft enclosure weighing approximately 120,000 pounds as part of the guard wall at the Monongahela River Locks and Dam 4 in Charleroi, Pennsylvania, Nov. 16, 2023.

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  • December

    Larry the Lock

    "Larry the Lock" is an illustrated children's book produced by the U.S. Army Corps of Engineers Pittsburgh District to educate the public about the locks and dams on the rivers and the important mission they serve to support navigation around the Pittsburgh Region and beyond. (U.S. Army Corps of Engineers illustration by Ashley Daugherty)
Chick Lock

Through deeds, not words, we are BUILDING STRONG®