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
Toston Dam Toston Dam Toston Dam is a hydroelectric gravity dam located on the Missouri River in Broadwater County, Montana. The dam is long and high, and generates 10 megawatts of power. The dam is a "run-of-the-river" dam because it can generate electricity without needing to store additional water supplies behind the dam. The dam is named after the town of Toston, Montana, which is just away. A $1.12 million dam was originally proposed in 1935. This project never was built. A smaller dam, whose construction would cost $900,000, was proposed in 1938, and the Montana State Water Conservation Board sought Public