The bill targets the mining of sulfide ores, which contain metals like copper and nickel, by extending the state’s ban on mining in the Boundary Waters to the entire Rainy River Watershed.

DULUTH — State regulators want any potential mining activity to be farther away from the Boundary Waters Canoe Area Wilderness than currently allowed, leaving more restrictive regulations up to ...

DULUTH — State regulators want any potential mining activity to be farther away from the Boundary Waters Canoe Area Wilderness than currently allowed, leaving more restrictive regulations up to ...