The Angelo Dam near Sparta was built in 1854 on the La Crosse River. Western Technical College purchased the dam in 2010. Maureen McCollum/WPRWestern Technical College President Lee Rasch and electronics instructor Jon Burman outside the power station. Thomas Rehfeldt/WPRWestern Technical College President Lee Rasch shows off the hydro power generator to community members, including state Sen. Jennifer Shilling. Maureen McCollum/WPR