Serving Northern St. Louis County, Minnesota

Twin Metals study shows profits, but at hefty cost

Underground mine would gross $12 billion in first ten years and cost $2.77 billion to construct

Marshall Helmberger
Posted 8/21/14

ELY— The proposed Twin Metals underground copper-nickel mine would cost $2.77 billion to build, would operate for 30 years and employ approximately 850 workers during mining operations, according …

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