But when the Glen Canyon Dam was built in 1963, it created Lake Powell for river water storage and drowned the native flora in Glen Canyon and its many side canyons.
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America's largest reservoir rises from 'dead pool' status as California farmers cut water usageLake Mead is making a surprising rebound from its critical "dead pool" status as water levels ... the Upper Basin by reducing required Lake Powell releases. They have provided much-needed ...
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