
Clark Fork to Flow Free This Month
Montana’s Clark Fork and Blackfoot rivers are scheduled to flow free later this month for the first time since 1908. Milltown Dam has blocked fish and recreationists in the rivers for a century – but perhaps more critically has trapped sediment contaminated with toxic heavy metals from an upstream mine on the Clark Fork. In the late 1990’s it was discovered that the aging dam was at high risk of failure – putting downstream areas at risk of being flooded









