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Mine

(credit: AIZAR RALDES/AFP/Getty Images)

US Steel Gets State Permits For Minntac Expansion

United States Steel Corp. has now received the state permits it needs to expand its Minntac mine at Mountain Iron but is waiting on one remaining federal permit.

01/29/2014

(credit: CBS)

PolyMet Critics Say Environmental Review Flawed

Opponents of the proposed PolyMet copper-nickel mine in northeastern Minnesota charged Thursday new data show that the state’s new draft environmental review for the project underestimates how much contaminated water could flow from the mine, raising serious questions about the long-term costs of treating it.

01/23/2014

(credit: Jupiter Images)

Dark Matter Detector Nearing Activation In SD Mine

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.

11/20/2012

(credit: AIZAR RALDES/AFP/Getty Images)

US Steel’s $300M Keetac Mine Expansion Up For Vote

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.

10/24/2011

(credit: Jupiter Images)

Search Of Mine Pit For Missing Man Unsuccessful

A search of a mine pit in St. Louis County has failed to turn up any sign of a missing man.

08/22/2011

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Minnesota Power Will Service Mine Company

Minnesota Power said Tuesday it has reached an agreement to provide service to an Iron Range company that produces iron concentrate.

08/09/2011

(credit: Minnesota Interagency Fire Center)

Underground Mine At Park Remains Closed To Tours

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.

06/08/2011

(credit: Minnesota Interagency Fire Center)

Report: Sparks Probably Caused Minn. Mine Fire

A report says sparks produced during maintenance probably caused last month’s fire at Soudan Underground Mine State Park near Tower.

04/19/2011

(credit: Minnesota Interagency Fire Center)

Power Restored To Minn. Mine’s Lowest Level

Electricians have restored power to the lowest level of a deep underground iron mine in northern Minnesota after a fire broke out last week.

03/23/2011