Garrison Dam
Garrison Dam is an earth-fill embankment dam on the Missouri River in central North Dakota, U.S.
Constructed by the U.S. Army Corps of Engineers from 1947 to 1953, at over 2 miles in length, the dam is the fifth-largest earthen dam in the world. Wikipedia
Opened: 1953
Construction cost: US $300 million
Catchment area: 123,900 m2 (1,334,000 sq ft)
Installed capacity: 583.3 MW
Length: 11,300 ft (3,444 m)
Location: McLean/Mercer Counties, North Dakota
Surface area: 382,000 acres (1,546 km2)