Pittsburgh Locks Dams Independence Day
Ryan Teufel, a lock operator for the U.S. Army Corps of Engineers Pittsburgh District, prepares a rope at Lock and Dam 2, Allegheny River, for boaters heading to the fireworks show in Pittsburgh, July 4, 2021. The 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-TI382-0363.JPG