Gibson Dam - Credit: Wikimedia Commons
Gibson Dam - Credit: Wikimedia Commons
Gibson Dam is a concrete arch dam on the Sun River, a tributary of the Missouri River, about west of Great Falls, Montana in the United States. Located on the eastern edge of the Rocky Mountains, the dam was built by the U.S. Bureau of Reclamation (USBR) between 1926 and 1929 as part of the Sun River Project to develop about of irrigated land in the Sun River Valley. Read more on Wikipedia
Source: en.wikipedia.org