British Columbia has released a long-awaited cleanup plan for the Tulsequah Chief Mine . The Canadian mine 40 miles northeast of Juneau has been leaching acidic runoff into a tributary feeding into the Taku River — a major salmon producing habitat — for years. “The environmental issues at the Tulsequah Chief Mine site have gone on for too long,” Bruce Ralston, B.C. Minister of Energy, Mines and Petroleum Resources said in a statement. “But after working in partnership with the Taku River Tlingit