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
Aslandağ Dam Aslandağ Dam The Aslandağ Dam is a gravity dam on the Bembo River (an eventual tributary of the Great Zab) in Şemdinli district of Hakkâri Province, southeast Turkey. Under contract from Turkey's State Hydraulic Works, Özdoğan Group began construction on the dam in 2008 and it was complete in 2012. In July 2012 suspected Kurdistan Workers' Party (PKK) militants set fire to equipment at the construction sites of the Aslandağ Dam and also the Beyyurdu Dam which is located downstream. The reported purpose of the dam is water storage and it can also support a hydroelectric power station in the