Malik Hooker Womens Jersey  How Coal Is Mined and Refined - Top Coal Mining Spots in the World - Documentaries





How Coal Is Mined and Refined - Top Coal Mining Spots in the World - Documentaries



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Coal is the official state mineral of Kentucky.


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About: How Coal Is Mined and Refined - Top Coal Mining Spots in the World - Documentaries


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What amazes me is how someone figured out coal could be used for steel to make guns,,, that would to me be like me thinking and using bark of a tree to make aluminum. How would I think of it?
it's really so hard to do this job .heads off to all coal miners .....
How Coal Is Mined and Refined - Top Coal Mining Spots in the World - Documentaries

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Coal stock


Coal is extracted from the ground by coal mining, either underground by shaft mining, or at ground level by open pit mining extraction.

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Coal is primarily used as a solid fuel to produce electricity and heat through combustion. World coal consumption was about 7.25 billion tonnes in 2010 The price of coal increased from around $30.00 per short ton in 2000 to around $150.00 per short ton as of September 2008. In early 2015, it was trading near $56/ton.