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Ryan Dam is a hydroelectric dam on the Missouri River, 10 miles (16 km) downstream from the city of Great Falls in the U.S. state of Montana.The dam is 1,336 feet (407 m) long and 61 feet (19 m) high; its reservoir is 7 miles (11 km) long and has a storage capacity of 5,000 acre-feet (6,200,000 m 3).
Malmstrom Air Force Base traces its beginnings back to 1939 when World War II broke out in Europe.Concern about the war caused the local Chamber of Commerce to contact two Montana senators, Burton K. Wheeler and James E. Murray and request they consider development of a military installation in Great Falls.
Big Falls (also called Great Falls or Roar of Steam [1]) is a major waterfall located on the Missouri River in western Montana in the United States. It is the lowermost and largest of the Great Falls of the Missouri , at 87 feet (27 m) high and up to 900 feet (270 m) wide at peak flow.
The Great Falls were incorporated into the Idaho Territory on March 4, 1863, [58] and then into the Montana Territory on May 28, 1864. [35] It became part of the state of Montana upon that territory's admission to statehood on November 8, 1889. [35] The Great Falls of the Missouri River became the site of a permanent settlement in 1883.
The dam is named for the downstream Rainbow Falls, a 45 ft (14 m) waterfall that is the third of the five Great Falls of the Missouri.Built in 1910, the dam furnishes water to an eight-unit hydroelectric plant with a capacity of 36 megawatts.
Great Falls is the third most populous city in the U.S. state of Montana and the county seat of Cascade County.The population was 60,442 according to the 2020 census. [4] The city covers an area of 22.9 square miles (59 km 2) [5] and is the principal city of the Great Falls, Montana, Metropolitan Statistical Area, which encompasses all of Cascade County.
At 21,026 feet (6,409 m) in length and over 250 feet (76 m) in height, it is the largest hydraulically filled dam in the United States, and creates Fort Peck Lake, the fifth largest artificial lake in the U.S., more than 130 miles (210 km) long, 200 feet (61 m) deep, and it has a 1,520-mile (2,450 km) shoreline which is longer than the state of ...
Montana is home to diverse fauna including 14 amphibian, [82] 90 fish, [83] 117 mammal, [84] 20 reptile, [85] and 427 bird [86] species. Additionally, more than 10,000 invertebrate species are present, including 180 mollusks and 30 crustaceans. Montana has the largest grizzly bear population in the lower 48 states. [87]