BUTTE, Mont. — In Butte, prospects of the Berkeley Pit being used to contain hundreds of thousands of cubic yards of mine waste are gaining momentum. A draft screening report outlining pros and cons ...

An update from Atlantic Richfield about potential repositories for Superfund wastes rejects the Berkeley Pit, for now, along ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. The U.S. Department of Defense remains interested in the potential to mine strategically vital ...

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 ...

Josh Bryson of Atlantic Richfield/BP confirmed Thursday night that analysis to date suggests the Berkeley Pit is the preferred option for a repository to receive contaminated materials from Superfund ...

Now, the Berkeley Pit, where open-pit mining began in the 1950s, could play a similar role with rare-earth metals, said Mark Thompson, vice president of environmental affairs for Montana Resources.

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. A Montana legislative committee unanimously voted Wednesday to petition the U.S. Congress to ...

BUTTE -- Silver Bow Creek may be spared the stigma of receiving treated Berkeley Pit water for at least another 25 years. That's because the dark pool of dirty water slowly growing in the Berkeley Pit ...

Starting in 2023, one of the mines connected through underground tunnels to the Berkeley Pit is expected to reach the critical water level of 5,410 feet. Critical water level marks the point where ...

BUTTE (AP) -- Prompted by soaring copper prices, Montana Resources has resumed ''mining" water from the Berkeley Pit, running millions of gallons of the metals-tainted water through a process to ...

Butte, Mont. • There’s a tale told about a miner who found copper cans in his garbage dump in the early days of mining. Wastewater from copper mining had flowed through his land, he said, and turned ...

Montana Resources will begin treating water from the Berkeley Pit, perhaps as early as the end of this year — five years ahead of schedule, according to a Montana Resources official. The original plan ...