ST. PAUL, Minn. (AP) --The developers of a proposed copper-nickel mine near the Boundary Waters plan to use a potentially safer dry method of storing mine waste instead of the kind of wet tailings ...
The developers of a proposed copper-nickel mine near the Boundary Waters plan to use a potentially safer dry method of storing mine waste instead of the kind of wet tailings pond more common in the ...
ST. PAUL, Minn. (AP) - The developers of a proposed copper-nickel mine on the edge of the Boundary Waters Canoe Area Wilderness said Thursday they plan to use a potentially safer dry method of storing ...
ST. PAUL — The developers of a proposed copper-nickel mine on the edge of the Boundary Waters Canoe Area Wilderness said Thursday they plan to use a potentially safer dry method of storing mine waste ...
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