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Video by Stacey G. Wyzykowski

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Winter on the Three Rivers Time-Lapses – USACE Pittsburgh District

U.S. Army Corps of Engineers Pittsburgh District

Feb. 6, 2026 | 5:29

Time-Lapses at Allegheny Lock and Dam 8 on the Allegheny River, Braddock Locks and Dam on the Monongahela River, and Emsworth Locks and Dams on the Ohio River, during winter. The U.S. Army Corps of Engineers Pittsburgh District, known as the “Headwaters of the Ohio”, is responsible for operating 22 locks and dams on the Allegheny, Monongahela, and Ohio rivers. The district's footprint covers 328 miles of navigable waterways and more than 80 local flood damage-reduction projects and watersheds that spread across five states: Maryland, New York, Ohio, Pennsylvania, and West Virginia. Runtime: 5 Minutes For more information, please visit: https://www.lrd.usace.army.mil/pittsburgh/ (U.S. Army Corps of Engineers Pittsburgh District imagery captured by Stacey Wyzykowski)