The MegaSaws of Egypt

Christopher Dunn has found saw marks on the granite stones. North of Giza, there is a site called Abu Rawash There is a piece of granite there which measures 56.75 inches long by 47 inches wide by 9 inches high.

According to Dunn, the diameter of the saw was 35.9 feet.

You can see more about this article by Christoper Dunn here: http://atlantisrisingmagazine.com/2008/07/01/the-mega-saws-of-thepyramid-builders/