Can dam releases that mimic natural ows
restore the Grand Canyon ecosystem?
By Heather Hansman
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rick simeone
(Rick Simeone)
#1
Can dam releases that mimic natural ows
restore the Grand Canyon ecosystem?
By Heather Hansman
̧§ ̧ßDl ̧
wþxß
t e
köć¿ ́3`x³î
` xß`D³