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Jonathan Waterman Lecture on the Colorado River Part 6 - May 2, 2011

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Uploaded by on Jun 13, 2011

Taking water out from the bottom of Lake Powell refrigerates the water, lowering its temperature by 20°. The consequences to native flora and fauna of loss of silt and low water temperatures are only now beginning to be understood. Neverthess, a trip through the Grand Canyon is an enchanted trip through time.

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