Part Of Niagara Falls Went Dry In 1969

"A view from the top of the de-watered Niagara Falls in 1969 in New York. Unearthed after 41 years by American Russ Glasson, they were taken by his mother and father in law and show when the famous waterfall was turned off for almost six months. For six months in the summer and autumn of 1969, Niagara’s American Falls were “de-watered”, when the Army Corps of Engineers conducted a survey of the falls’ rock face, concerned that it was becoming destabilized by erosion. During that period, while workers cleaned the former river-bottom and drilled test-cores in search of instabilities, a temporary walkway was installed twenty feet from the edge of the dry falls, and tourists were able to explore this otherwise inaccessible landscape."

I was there around Xmas that year, about a month after they finished. I was going to college only about fifty miles away and some friends and I stayed in a motel on the Canadian side.
The American Falls is slowly becoming the American Rapids as it crumbles, with the last major rockfall in 1954. This is not the one people go over in a barrel.