The sun rises over Pittsburgh while the Duquesne Incline trolley rides up to Mount Washington Aug. 2, 2021. The U.S. Army Corps of Engineers Pittsburgh District ensures safe navigation on the riverways in the region. The district's footprint covers 328 miles of navigable waterways, 23 navigational locks and dams, 16 reservoirs, and more than 80 local-flood damage-reduction projects across five states: Maryland, New York, Ohio, Pennsylvania and West Virginia. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)