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Acid Mine Drainage
Gavin McMeeking
KEYSTONE, CO
(2005-08-04)
One hundred years ago pioneers mined millions of dollars worth of gold and silver out of the Colorado Rockies. Now millions will be needed to clean up the mountain streams polluted by those mines. But as KUNC's Gavin McMeeking reports environmental engineers are still trying to understand just how to do that.
© Copyright 2008, KUNC
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