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Map Offers Look at Butte's Mining History

It turns out the old Anaconda Co. really did have 10,000 miles of tunnels beneath this mining city. That’s one of the findings by researchers who have produced a new map that charts the thousands of underground mine shafts here, providing a detailed look at some of Butte’s mining history.

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• Placer Dome
• Newmont Mining
• Homestake Mining Company
• Royal Gold Inc.

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