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
Grishk Dam operation in their attempt to blow up the dam. Grishk Dam The Grishk Dam is a dam and power plant on the Helmand River, located in Helmand Province, Afghanistan. It was built by the United States in 1945 for the Helmand Valley Authority for hydroelectric power. The dam is an example of one of the 20th century projects to modernize Afghanistan. A 2003 technical journal noted that the Grishk power plant was commissioned on an irrigation canal in 1945, and had two damaged and obsolete 1.2 megawatt units which would cost US$3 million to repair. In 2005, a group of