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 ...

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. A Montana legislative committee unanimously voted Wednesday to petition the U.S. Congress to ...

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 Environmental Quality ...

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 ...

The toxic Berkeley Pit is seen from the Visitor Information and Viewing Stand on July 6, 2017 in Butte, Montana. Formerly an open pit copper mine, today the Berkeley Pit is part of the largest ...

Getting rare earth minerals from mine waste, and decoding the language of the wolves. Montana researchers search for ways to refine rare earth elements from toxic mine waste. Plus, a Paradise Valley ...

BUTTE- The Berkeley Pit is completely frozen over due to the cold temperatures in the Mining City last week. It is a sight some people in Butte say they never thought they would see. Ice started to ...

BUTTE -- The Berkeley Pit holds 45 billion gallons of water. The Yankee Doodle Tailings Pond holds more than 20,000 acre feet of water. With the Continental Fault running through mine property, how ...

BUTTE — Fifteen years ago, as state researchers ventured into the Berkeley Pit to collect their annual samples from the contaminated water, a surprise greeted them. On this particular day in September ...