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起始时间 00:01Introduction to Coal Mining

Coal Mining's Environmental Impact | From The Ashes

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起始时间 00:21Oropamine Botswana

TOP 15 BIGGEST Mines on Earth

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起始时间 00:05Introduction to Venetia Mine

Anglo American - Venetia Underground Project

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起始时间 06:21Mining Methods for Platinum

PLATINUM Documentary: Mining, Science and History

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起始时间 00:04Introduction to the Darr Mine Disaster

Darr Mine Tragedy: Pennsylvania's Worst Mining Disaster

YouTubeRedoubt Productions

起始时间 05:19Discovering Quartz and Minerals

REOPENED Lost Mine - 200+ Year Old Mine FOUND ~ First eyes to see after 2…

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起始时间 0:00Hiking to the Mine

An Underground Mine Full Of Lloyds

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