In 1969, in order to save the Niagra Falls from eventually running dry, the Army Corps of Engineers constructed a dam to divert the river to the Canadian side of the falls so that rocks could be removed from the base of the falls. The story is fascinating, as are the pictures. For more reading, check out “Fall of the Century: Stunning Pics of Dry Niagra Falls” at WebEcoist.
under: science
