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
Beaver Dam State Park (Illinois) Beaver Dam State Park (Illinois) Beaver Dam State Park is an Illinois state park on in Macoupin County, Illinois in the United States. The park is southwest of Carlinville, Illinois and is managed by the Illinois Department of Natural Resources (IDNR) as a public place for fishing. The state park centers on the Beaver Dam Lake, an artificial reservoir which was created by a private Carlinville fishing club in the 1890s. The club later became a private resort which catered to visitors who arrived via the adjacent Chicago and Alton Railroad. During the Great Depression, the resort failed. The state