Garrison Dam Tribes. Construction on the $300-million dam project began in 1947, and its embankment was enclosed in April 1953. The dam was dedicated by President Eisenhower two months later. The Corps of Engineers completed earthwork in the fall of 1954. Garrison Dam is one of six Missouri River Main stem dams operated by the U.S. Army Corps of Engineers, Omaha District. The dam upstream of Garrison Dam is Fort Peck Dam (near Fort Peck, Montana). The dams downstream of Garrison Dam are: Oahe Dam (near Pierre, South Dakota), Big Bend Dam (near Fort Thompson, South Dakota), Fort Randall Dam (near Pickstown,
Beyyurdu Dam Beyyurdu Dam The Beyyurdu Dam is a gravity dam under construction on the Bembo River (an eventual tributary of the Great Zab) in Beyyurdu, 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 a completion date has not been announced. In July 2012 and May 2014 suspected Kurdistan Workers' Party (PKK) militants set fire to equipment at the construction sites of the Beyyurdu Dam and also the Aslandağ Dam which is located upstream. The reported purpose of the dam is water storage and it can