A colorful sunrise forms over Pittsburgh, Feb. 3, 2025. The U.S. army Corps of Engineers Pittsburgh District operates locks and dams on all three major Pittsburgh-region rivers year-round to support inland navigation in all weather conditions, regardless of ice or snow. The facilities provide lockages for approximately 50,000 vessels carrying 140 million tons of commodities annually along 328 miles of navigable. The locks also provide free passage to approximately 22,2000 recreational lockages each year on the Allegheny, Monongahela and Ohio rivers combined. Lock operators and maintenance workers are just two of the many career opportunities the Pittsburgh District offers. Approximately 800 employees who specialize in a wide range of disciplines work for the district. (U.S. Army Corps of Engineers Pittsburgh District photo by Michel Sauret)