The Montana Resources mine in Butte has applied to the Montana Department of Environmental Quality to amend the mine's permit ...

Researchers in South Korea have conducted a literature review on recorded cases of floating PV plants placed on mine pit ...

Somerset International Installs Six Tailings Dewatering Units at Warrior Met Coal’s Blue Creek Mine, the Largest U.S. Coal Facility Without a Tailings Dam Somerset International has completed ...

But in 2019, the company shuttered the last of the four coal units ... situation at the Kennecott mine, because it’s also an opportunity to repurpose some mine tailings … and provide some ...

"Coalspur has also consistently demonstrated a failure to manage tailings from the existing Phase I of the Vista coal mine," he added, noting the company's own application says water from tailings ...

Across the West, early miners digging for gold, silver and copper had no idea that one day something else very valuable would be buried in the piles of dirt and rocks they tossed aside. There's a ...

Environmental groups had opposed expanding a Montana mine previously caught up in allegations of cocaine trafficking and the ...

Montana Resources wants to raise the elevation of the pond’s rockfill dam that restrains, by one very approximate estimate, more than a billion tons of tailings. The mine says it needs ...