When engineers shut down Niagara Falls' water flow and found surprisingly few corpses
 

When engineers shut down Niagara Falls' water flow and found surprisingly few corpses
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Image: Russ Glasson/Barcroft/Getty Images

For several months in 1969, the torrent of water rushing over American Falls, one of three waterfalls that makes up Niagara Falls, was reduced to little more than a trickle.

American Falls is recognizable for the immense rock pile, or talus, at its base, the result of a ****** of natural rockslides over the years. In the late 1960s, concerns were growing that further rockslides could erode the falls completely

To study the geological composition of the falls and forestall their potential destruction, a joint American-Canadian commission decided to dewater them for five months. Read more...

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