The Berkeley Pit in Butte, Montana, has been a source of environmental concern for decades, as its waters—highly acidic and ...

At the Berkeley Pit, researchers hope to extract valuable metals to increase U.S. production of rare earths used in electric cars, medical advances and national defense.

Leadership from the Headwaters Tech Hub visited Uptown Butte on Tuesday evening to talk with residents, politicians, state ...

Others in attendance were the Rev. Father Lavelle of St. Patrick's Cathedral, William Scallon of Butte ... Montana and as a promoter of various other mining interests, he came to be called the ...

The Pekin Noodle Parlor in Butte, Montana, serves what owner Jerry Tam ... Chinese people were barred from working in the copper mines, and there had even been campaigns to evict them from Butte ...

Butte, Mont ... and it’s called cementation. Montana Resources, the mining company that took over from the Anaconda Copper Co., still uses this alchemical trick in a process at its Continental ...