Children play in the sand at the Mill Run Recreation Area playground at Youghiogheny River Lake in Maryland, July 15, 2022. Mill Run is one of two campsites operated by the Youghiogheny River Lake staff and the U.S. Army Corps of Engineers Pittsburgh District. The lake serves as a reservoir, which offers flood risk reduction to the Youghiogheny and lower Monongahela River valleys as well as the upper Ohio River. Youghiogheny River Lake provides camping, water sports, biking trails, and fishing opportunities to residents and visitors. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)