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coal mining activities middle

coal mining activities middle

Coal mining - Wikipedia

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity.

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Middle School – Coal Mining - Coal Education

Middle School - Mining : Exploration Activities: Mining Game: What Is Mining: Students in a Coal Mine or Power Plant

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Mining - Wikipedia

These are oil and gas extraction, coal mining, metal ore mining, nonmetallic mineral mining and quarrying, and mining support activities. Of all of these categories, oil and gas extraction remains one of the largest in terms of its global economic importance.

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