Twin Metals copper nickel mine near BWCA would sit on already polluted Birch Lake
- Posted on June 12, 2025
- By Star Tribune
- 2 Views
Twin Metals copper nickel mine near BWCA would sit on already polluted Birch Lake
The MN mine would sit on a lake that flows to the Boundary Waters Canoe Area Wilderness and is already polluted by a former taconite mine.
