| Recent rulings contradict stated mineral goals | ||
| March 13, 2023 | ||
| Minnesota could help power energy transition | ||
| May 5, 2022 | ||
| MN Supreme Court hands victory to PolyMet copper-nickel mine | ||
| February 25, 2021 | ||
| Bill to prevent president from barring mining on federal land introduced | ||
| January 26, 2021 | ||
| Minnesota lawmakers propose ban and moratorium on copper mining | ||
| January 14, 2021 | ||
| Twin Metals to use dry stack tailings at proposed mine in Minnesota | ||
| July 18, 2019 | ||
| New tailings rules proposed in Minnesota | ||
| May 15, 2019 | ||
| Exploration to resume on lands near Minnesota’s Boundary Waters | ||
| September 10, 2018 | ||
| Environmental review of mining in Minnesota starts in Duluth | ||
| March 20, 2017 | ||
| US Forest Service says it may deny permits to Twin Metals for mine in Minnesota | ||
| June 14, 2016 | ||
| Minnesota governor denies access to state lands for Twin Metals mine | ||
| March 8, 2016 | ||
| Antofagasta acquires Duluth Metals for $85 million | ||
| November 4, 2014 | ||
| New estimates for proposed Minnesota mine | ||
| December 5, 2012 | ||
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