Plan to 'flush' Grand Canyon stirs concerns
Los Angeles Times
"Federal flood control managers plan to unleash millions of cubic feet of water from behind Glen Canyon Dam to "flush" the huge canyon bottom with a simulated springtime flood this week, but National Park Service officials who oversee the natural wonder are worried.
Water releases meant to renew the river's bottom are ill-timed and serve hydropower firms, park officials say."
Personally, I don't think they've gathered enough data from the first 3 to know if it's doing more harm than good.
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