for scene 12 of the video " Water Crisis: Healing the Colorado River - part 1" by Rolf Witzsche
here for a larger image
From upstream of the Grand Canyon
Since Lake Mead gets 90% of its water from upstream of the Grand Canyon, the volume of the river at the Hoover Dam is determined by the impact of the drought upstream. Corrective actions need to happen there.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.