Lake Oahe Pierre, South Dakota and extends nearly as far north as Bismarck, North Dakota. Mobridge, South Dakota is located on the eastern shore of the central portion of the lake. Bridges over Lake Oahe include US Route 212 west of Gettysburg, South Dakota and US Route 12 at Mobridge. The former town of Forest City has been flooded beneath Lake Oahe, about 9 miles west of Gettysburg. Prehistoric archaeological sites have been explored in the area, including Molstad Village near Mobridge. It dates to before the emergence of the Arikara, Hidatsa and Mandan as separate peoples, and has been designated as
Conant Brook Dam Conant Brook Dam The Conant Brook Dam is located on Conant Brook in Monson, Massachusetts, about upstream from the confluence of Conant Brook and the Quaboag River. It is approximately east of Springfield, Massachusetts. Designed and constructed by the United States Army Corps of Engineers, this dam substantially reduces flooding along the Quaboag, Chicopee, and Connecticut rivers. Construction of the project began in 1964 with completion in 1966 at a cost of US$2,950,530. The Conant Brook Dam is located within the Chicopee River watershed and is part of the Connecticut River basin. Access to the site is available from State