Lock and Dam No. 2 - Credit: Wikimedia Commons
Lock and Dam No. 2 - Credit: Wikimedia Commons
Lock and Dam No. 2 is located along the Upper Mississippi River near Hastings, Minnesota and construction commenced in 1927. The eastern dam portion is wide and has 19 tainter gates. A hydroelectric station that produces about 4.4 megawatts is owned by the city of Hastings, while the lock is operated by the St. Paul district of the U.S. Army Corps of Engineers' Mississippi Valley Division. There's also a wide earthen dam on the western side of the facility. Read more on Wikipedia
Source: en.wikipedia.org