AllBodySurgery.com - How did Egyptian boats pass cataracts on the Nile?

How did Egyptian boats pass cataracts on the Nile?

Please add reference source.

Thanks. I had fun looking this up. There are quite a few resources on the first page http://www.google.com/search?client=safari&rls=en-us&q=nile+cataracts+boat+passing&ie=UTF-8&oe=UTF-8 "Today, there are two dams at Aswan but of course, in ancient times, there were none. Prior to the dams, Philae Island occupied a position at the beginning or southern end of the First Nile Cataract, where the river gathered speed, dropping sixteen feet in swirling eddies and turbulent falls of white water for a distance of three miles. Various pharaohs attempted to calm or at least provide better passage around these rapids. Pepi I built at least one canal, as did Merenre, as early as the Old Kingdom, but later kings would also, such as Senusret III" http://thenilepharaoh.blogspot.com/ -------------------------------- From 1875: http://www.fordham.edu/halsall/mod/1875nile.html