Oahe Dam
The Oahe Dam is a large earthen dam on the Missouri River, just north of Pierre, South Dakota, United States. Begun in 1948 and opened in 1962, the dam creates Lake Oahe, the fourth-largest man-made reservoir in the United States. Wikipedia
Opened: 1962
Construction cost: $340 Million
Annual generation: 2,621 GWh
Dam volume: 93,122,000 cubic yards (71,197,000 m3)
Installed capacity: 786 MW
Length: 9,360 feet (2,850 m)
Location: Hughes/Stanley counties, South Dakota