When Niagara Falls Was Turned Off for the First Time in 12,000 Years

On June 12th, 1969, the course of Niagara Falls history was changed forever as 27,000 tons of rock were dumped upstream to dam the portion of the Niagara River supplying water to the American Falls. The result was almost instantaneous - millions of gallons of water falling more than 175 feet each minute was suddenly nothing but a trickle. 

Read More