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Experts see long-term risks from Colorado mine spill

AP Science News - Fetched: August 12th, 2015, 7:00pm UTC

DURANGO, Colorado (AP) -- The toxic waste that gushed last week from a Colorado mine and threatened downstream water supplies in at least three states will continue to be dangerous whenever contaminated sediment gets stirred up from the river bottom, authorities said Wednesday, suggesting there is no easy fix to what could be a long-term public health risk....

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