HELENA, Mont. — Butte’s Berkeley Pit is infamously known for its toxicity, but it’s also the site of vital minerals and rare earth elements. During a presentation to Montana’s ...

The area surrounding the Berkeley Pit — a man-made lake of toxic water in Butte that would likely kill a human or animal that drank from it — is teeming with life. From fox and marmot to deer ...

The Berkeley Pit in Butte, Montana, has been a source of environmental concern for decades, as its waters—highly acidic and teeming with toxins—have seeped into the surrounding area. But today ...

BUTTE, Mont. — Officials in Butte continue to investigate the feasibility of using the Berkeley Pit as a repository for ongoing superfund cleanup of the Mining City. During a meeting regarding ...

Montana artist Nolan Salix channeled his anger over 3,000 to 4,000 snow geese dying in the Berkeley Pit last December into an artwork on scrap copper pieces. The 4-foot by 8-foot painting will be ...

The Berkeley Pit is a former open-pit copper mine that began filling in 1982 with drainage from closed mines. It now holds about 36 billion gallons of water laden with metals, including arsenic ...

The Berkeley Pit, however, has a much richer concentration of rare earths in solution and a higher volume of water and is expected to produce 40 tons a year. Dr. Ziemkiewicz believes this process ...

Montana Resources extracted copper from Berkeley Pit water for more than 10 years without a permit for beneficial use. MR admits it did not have a permit and willingly sat down with The Montana ...

BUTTE — The area surrounding the Berkeley Pit — a man-made lake of toxic water in Butte that would likely kill a human or animal that drank from it — ...

The Berkeley Pit has been a festering sore since 1982, when, the Anaconda Copper Co. closed the open-pit mine, turned off the pumps and let water fill it.