“The Dunka Pit, which was opened in the 1960s, is a closed legacy taconite mine; its permits are managed through a consent decree,” MPCA spokeswoman Becky Lentz wrote in an email.

The Flambeau Mine Reclamation area turned an old mine into a natural gem, but some worry environmental dangers lurk below the surface.

Minera Alamos, the new owner of the Pan Mine and the nearby Gold Rock Project in Nevada, says the acquisition will provide ...

OUTSIDE BOVEY, MINN.— Contractors were supposed to be hard at work this summer building drainage along the edge of the Canisteo Mine Pit, a complex of several former mines that threatens to ...

Hexagon, a worldwide leader in precision technology, has been honoured as a category award winner at the 2025 Mining ...

A reclaimed uranium mill continues to contaminate groundwater, and a massive open-pit copper mine is hoping to expand. Meanwhile, Utah regulators just sued a natural gas plant for violating the ...

The mine is mostly open pit, but Newmont said in an earlier statement that development of underground block-cave mining began in 2019, four years after the mine’s first production date.

The scars of extraction are hard to miss at the site of the former Colosseum gold and silver mine, where a fenced-off open pit is flanked by the untouched Clark Mountain due south. Mother Nature ...

The mine is mostly open pit, but Newmont said in an earlier statement that development of underground block-cave mining began in 2019, four years after the mine’s first production date.