They Stopped Niagara Falls...
Niagara Falls is made up of three waterfalls f... ...aterfalls from the Niagara River. In 1969, the US Army Corps of Engineers stopped the flow of water over one of them, Ameri... ...ock bed where the falls had been. Ultimately, the Corps...
https://www.neatorama.com/2010/08/30/they-stopped-niagara-falls/
