US Army Corps of Engineers
Pittsburgh District Website

Pittsburgh Locks Dams Independence Day
A view of the Pittsburgh fireworks show from the observatory balcony of the Carnegie Science Center, July 4, 2021. The U.S. Army Corps of Engineers Pittsburgh District locks and dams are open year-round, including on federal holidays, for recreational boaters to enjoy the city’s views and for commercial barges to navigate the waterways safely. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)

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Photo by: Michel Sauret |  VIRIN: 210704-A-TI382-2509.JPG