Niagara Falls Runs Dry of Water

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In June 1969, the U.S. Army Corps of Engineers turned off American Falls, one of three waterfalls that makes up Niagara Falls.

This amazing dewatering served to remove the boulders that had piled up at its base since 1931, cutting the height of the fall in half.

niagara waterfalls dry, no water niagara waterfalls, why did niagara waterfalls dry in 1969
The Niagara Waterfalls ran dry in 1969. Picture: Russ Glasson/Barcroft/Getty Images

The performance will repeat in the coming years when New York State will decide to dry out American Falls once again, in order to replace two bridges.

Again, engineers will employ over 1,200 trucks to dump 28,000 tons of rock into a cofferdam upstream, directing the insane flow of the river – 76,000 gallons / second – to Horseshoe Falls instead.

Now I am sure you have never seen the Niagara Falls without water… Well look at the pictures below:

niagara waterfalls dry, no water niagara waterfalls, why did niagara waterfalls dry in 1969
In June 1969, the U.S. Army Corps of Engineers turned off American Falls, one of three waterfalls that makes up Niagara Falls. Picture: Russ Glasson/Barcroft/Getty Images

niagara waterfalls dry, no water niagara waterfalls, why did niagara waterfalls dry in 1969
This was the only way they found to remove the boulders that had piled up at its base since 1931. Picture: Russ Glasson/Barcroft/Getty Images

niagara waterfalls dry, no water niagara waterfalls, why did niagara waterfalls dry in 1969
Engineers constructed a dam between the American bank of the Niagara River and the eastern tip of Goat Island, stopping the flow of water. Picture: Russ Glasson/Barcroft/Getty Images

Here a video about the de-watering of the American Falls:

niagara waterfalls dry, no water niagara waterfalls, why did niagara waterfalls dry in 1969
The water was directed to Horseshoe Falls instead. Picture: Russ Glasson/Barcroft/Getty Images

niagara waterfalls dry, no water niagara waterfalls, why did niagara waterfalls dry in 1969
Over the course of the five months, engineers managed to install steel bolts and cables in order to monitor and stabilize the rocks surrounding Luna Island and Bridal Veil Falls. Picture: Russ Glasson/Barcroft/Getty Images

Then the water returned and the Niagara Falls froze down. Similar headlines on Strange Sounds and Steve Quayle. [Vintag.es]

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