ST. PAUL, Minn. — Twin Metals says its updated plan for an underground copper-nickel mine near Ely includes an ore processing facility on the east bank of Birch Lake, which puts it closer to the ...
You can save this article by registering for free here. Or sign-in if you have an account. ST. PAUL, Minn. — Twin Metals says its updated plan for an underground copper-nickel mine near Ely includes ...
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