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
Parker Dam State Park Dam State Park. The following state parks are within of Parker Dam State Park: Parker Dam State Park Parker Dam State Park is a Pennsylvania state park in Huston Township, Clearfield County, Pennsylvania in the United States. The park is surrounded by Moshannon State Forest. Parker Dam State park is north of Clearfield on Pennsylvania Route 153 just off exit 111 of Interstate 80. The park was constructed during the Great Depression by the Civilian Conservation Corps. They built many of the facilities that are in use today at Parker Dam State Park. The park takes its name from William