Niagara Falls ever stop flowing?

Niagara Falls sends 6 million cubic feet of water over the falls every minute, but in 1969, the American Falls dwindled to a trickle. Engineers diverted water and removed bedrock to delay erosion. The falls were formed by glacial retreat and provide hydroelectric energy. The Niagara River sends 6 million cubic feet (169,901 cubic m) […]

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