Oahe Dam the Rocky Mountains forced the dam to open the release gates (not the spillway), releasing in June with another through the power plant totaling . The previous release record was in 1997. Oahe Dam The Oahe Dam is a large earthen dam on the Missouri River, just north of Pierre, South Dakota, United States. The dam creates Lake Oahe, the fourth largest man-made reservoir in the United States. The reservoir stretches up the course of the Missouri to Bismarck, North Dakota. The dam's power plant provides electricity for much of the north-central United States. It is named for the Oahe
Kallanai Dam Kallanai Dam Kallanai (also known as the Grand Anicut , Tamil : கல்லணை) is an ancient dam, which is built (in running water) across the Kaveri river in Tiruchirappalli District in the state of Tamil Nadu in India. Located at a distance of 15 km from Tiruchirappalli, the dam was originally constructed by the Chola king Karikalan in 2nd century AD. It is located on Kaveri river approximately 20 KM from Trichy city, the dam falls under Thanjavur district . and is the fourth-oldest water-diversion or water-regulator structures in the world and the oldest in India which is still in