After 150 years, mining continues in Butte, Montana
Berkeley Pit in Butte, Montana, is a Lake of Toxic Waste With Possible Anti-Cancer Properties
In a toxin-exposed Montana mining town, the EPA favors polluters | Crosscut
Berkeley Acid Pit, Butte - MT | Roadtrippers
Berkeley Pit
A once-powerful Montana mining town warily awaits final cleanup of its toxic past - The Washington Post
Butte Montana Mining History
Berkeley Pit in Butte, Montana, is a Lake of Toxic Waste With Possible Anti-Cancer Properties
How A Rich Mining Town Got This Toxic Pit | At one point, this city produced so much copper it was nicknamed the "richest hill on earth." Now, it has a toxic
Butte, Montana, the Richest Hill on Earth
The City That Ate Itself: Butte, Montana and Its Expanding Berkeley Pit (Volume 1) (Mining and Society Series): Leech, Brian James: 9781948908290: Amazon.com: Books