DNR Lays Out Updated Timeline For PolyMet Mine ReviewState regulators have laid out an updated timeline for completing the environmental review on the proposed PolyMet copper-nickel mine in northeastern Minnesota that calls for a 30-day public comment period.
Environmental Groups Urge Dayton To Wade Into Mine ReviewEnvironmental advocates are calling on Gov. Mark Dayton to require stronger environmental protections for a proposed copper-nickel mine in northeastern Minnesota.
DNR Releases Latest Revision To PolyMet Environmental ReviewThe latest environmental review for the proposed PolyMet copper-nickel mine in northeastern Minnesota has swollen to over 3,100 pages, reflecting how regulators struggled to with deal with nearly 58,000 written comments from the public and opinions expressed at public meetings.
Study Shows Twin Metals Mine Economically FeasibleThe majority owner of the proposed Twin Metals copper-nickel mine in northeastern Minnesota says a study shows the project would be economically competitive.
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.
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.
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.
US Steel's $300M Keetac Mine Expansion Up For VoteApproval 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.
Search Of Mine Pit For Missing Man UnsuccessfulA search of a mine pit in St. Louis County has failed to turn up any sign of a missing man.
Minnesota Power Will Service Mine CompanyMinnesota Power said Tuesday it has reached an agreement to provide service to an Iron Range company that produces iron concentrate.
Underground Mine At Park Remains Closed To ToursOfficials 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.
Report: Sparks Probably Caused Minn. Mine FireA report says sparks produced during maintenance probably caused last month's fire at Soudan Underground Mine State Park near Tower.