Canyon Ferry Dam photograph

Canyon Ferry Dam

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Dam volume414,400 cu yd (316,832 m3)
Width (crest)20 ft (6 m)
Spillway capacity150,000 cu ft/s (4,248 m3/s)
CreateCanyon Ferry Lake
Width (base)173 ft (53 m)
Annual generation277,052,777 KWh
Date of Reg.
Date of Upd.
ID2218799
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About Canyon Ferry Dam


Canyon Ferry Dam is a concrete gravity dam in a narrow valley of the Missouri River, United States, where the Big Belt Mountains and the Spokane Hills merge, approximately 68 miles downstream from the confluence of the Gallatin, Madison, and Jefferson rivers, and about 20 miles east of the city of Helena, Montana.

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