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.
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:
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 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 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:
The water was directed to Horseshoe Falls instead. Picture: Russ Glasson/Barcroft/Getty Images 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
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Why didn’t it get filled with boulders BEFORE 1931?
Donald Trump wasn’t born yet. Everything bad is his fault.