Scientists hoping to detect dark matter deep in a former South Dakota gold mine have taken the last major step before flipping the switch on their more than $300 million experiment and say they may be ready to begin collecting data as early as February.
Approval of two water quality permits could help U.S. Steel clear one of the last regulatory hurdles necessary for expanding its Keetac taconite mine and processing plant in northern Minnesota.
A search of a mine pit in St. Louis County has failed to turn up any sign of a missing man.
Minnesota Power said Tuesday it has reached an agreement to provide service to an Iron Range company that produces iron concentrate.
Officials say it’s unlikely the mine at Soudan Underground Mine State Park will reopen for tours this year after last winter’s fire. But they say there’s still plenty to do at the park and its new sister state park on Lake Vermilion.
A report says sparks produced during maintenance probably caused last month’s fire at Soudan Underground Mine State Park near Tower.
Electricians have restored power to the lowest level of a deep underground iron mine in northern Minnesota after a fire broke out last week.
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