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Mining in Montana: Sluicing for Sapphires

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Montana has a rich history of resource extraction. The hill in Butte, MT was originally one of the most prosperous sources of copper as the electrification of the US started and WWII demanded this new technology. In 1920, this town (which in 2023 had about 40,000 people) held up to 100,000 people all working around […]

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