We're marking both landmark birthdays each Sunday with a Montana Moment, a chronological look at key events in Montana's history. The moment: Open-pit mining begins in Butte, 1955.

The Montana Resources mine in Butte has applied to the Montana Department of Environmental Quality ... The Anaconda Copper Mining Co. began open pit mining at the Berkeley Pit in 1955 and ...

Residents of a Butte neighborhood are concerned about what’s wafting from a nearby open-pit mine that can coat their homes and vehicles. By Katheryn Houghton / KHN Published Jun 11, 2022 7:00 PM ...

BUTTE - Butte residents say they want Butte-Silver Bow health officials to examine how dust from the Montana Resources open pit mine and heavy metals could cause health problems.

Berkeley Pit: A recording plays as you stand on the viewing platform on Continental Drive and take in the sight of an open pit copper mine turned Super Fund site. Mai Wah Society Museum: This ...

The Berkeley Pit is a former open-pit copper mine in Butte, Montana—and one of the few places in the world where you can pay to see toxic waste.

Several thousand snow geese may have died after landing in a former open-pit copper mine in Montana that is now filled with highly acidic water. A Nov. 28 snowstorm forced the migrating geese to ...

A view of the city of Butte from atop the Montana Resources open-pit copper and molybdenum mine. Credit: Erick Doxey for InvestigateWest Posted in Articles Mining Inside the EPA’s close ...

Discover the haunting story behind the Berkeley Pit in Butte, Montana—a former open-pit copper mine that has turned into one of the most toxic lakes in America. This video dives into the history ...

BUTTE, Mont. — For 17 years, he lived alone in the mine yards at Montana Resources, the open pit copper and molybdenum mine in Butte. He survived in a barren landscape near the toxic Berkeley ...

A view of the Berkley Pit water treatment plant at the Montana Resources open-pit copper and molybdenum mine in Butte, Montana. Credit: Erick Doxey for InvestigateWest Johnson, the policy advocate ...

BUTTE, Mont. — For 17 years, he lived alone in the mine yards at Montana Resources, the open pit copper and molybdenum mine in Butte. He survived in a barren landscape near the toxic Berkeley ...