Ancient Mega-Lake Found in Egyptian Desert : Discovery News: "The hyper-arid deserts of western Egypt were once home to a lush mega-lake fed by the Nile River's earliest annual floods.
Fossil fish and space shuttle radar images have defined the bed and drainage channels of the long lost lake, which at times was larger than Lake Michigan, stretching as far as 250 miles west of the Nile in southwestern Egypt.
The discovery pushes back the origin of the 'Gift of the Nile' floods to more than a quarter million years ago and paints a drastically different picture of Egypt's environment than is seen today. It also explains the longstanding puzzle of the fossilized fish found in the desert -- fish that are of the same kinds that live in today's Nile River."
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