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
Quechee State Park Quechee State Park The Quechee State Park is located on US Route 4 in Quechee, Vermont. The park land is owned by the US Army Corps of Engineers and leased from by the State of Vermont. The park contains the Quechee Gorge, a popular Vermont tourist stop. The land was originally the site of the Dewey wool mill which ceased operation in 1952 and relocated to Enfield, New Hampshire. Shortly after the closing of the Mill the US Army Corps of Engineers acquired the property as part of its regional flood control plan. A hydroelectric dam sits at the north