Oahe Dam 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 Indian Mission established among the Lakota Sioux in 1874. The project provides flood control, Hydropower generation, irrigation, and navigation benefits. Oahe Dam is one of six Missouri River mainstem dams, the next
Whipple Dam State Park Whipple Dam State Park Whipple Dam State Park is a Pennsylvania state park on in Jackson Township, Huntingdon County, Pennsylvania in the United States. Whipple Lake is a man-made lake on that was originally built during the height of the lumber era that swept through Pennsylvania in the late 19th and early 20th century to supply power for a sawmill. Whipple Dam State Park is south of State College, just east of Pennsylvania Route 26. The land on which Whipple Dam State Park is located was purchased from the Iroquois Confederation in 1754 by the Proprietary Government of Pennsylvania. Eventually