for scene 8 of the video " Water Crisis: Healing the Colorado River - part 1" by Rolf Witzsche
here for a larger image
The water that flows through Lake Mead
Most of the water that flows through Lake Mead originates far upstream of the Grand Canyon. The volume of water that flows through the lake each year is enormous. It amounts to roughly a third of the total volume of the lake.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.