Oahe Dam dam upstream is Garrison Dam, near Riverdale, North Dakota, and the next dam downstream is Big Bend Dam, near Fort Thompson, South Dakota. In September and October 1804, the Lewis and Clark Expedition passed through what is now Lake Oahe while exploring the Missouri River. Oahe Dam was authorized by the Flood Control Act of 1944, and construction by the United States Army Corps of Engineers began in 1948. The world’s first rock tunnel boring machine (TBM) was invented in 1952 by James S. Robbins for the Oahe Dam project, which marked the beginning of machines replacing human tunnelers. The
Norris Dam State Park Norris Dam State Park Norris Dam State Park is a state park in Anderson County and Campbell County, Tennessee, in the southeastern United States. The park is situated along the shores of Norris Lake, an impoundment of the Clinch River created by the completion of Norris Dam in 1936. The park consists of managed by the Tennessee Department of Environment and Conservation. The park also administers the Lenoir Museum Complex, which interprets the area's aboriginal, pioneer, and early 20th-century history. Norris Dam was the pilot project of the Tennessee Valley Authority, a Great Depression-era entity created by the United States