coal mine rock fall





coal mine rock fall



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Coal is the official state mineral of Kentucky.


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About: coal mine rock fall


We need to think of these folks everytime we flip a switch or plug in a charger.
sheds in
I will never complain about a hard day's work in IT (information technology) again.
scariest sound ever.
I didn't know where it was gonna fall, but experience had a lot to do with being safe.
well done I worked underground for 31yrs on pillar extraction and longwall ,bring back pillar extraction with timber ,it was the best although breaker line supports were cool and were safe but definitely not the same rush as timber , loved the pinging roof bolt ,some of the upstarts that work underground these days wouldn't know that noise I wish we could turn the lock back and show these blokes what it is all about top video
Example of what coal miners go through. Hope you liked the video. Was going to put a song with it, but it would take away from the noise of the top breaking up and timbers poping. For best effect of the video, try watching in complete darkness. Video shot in Harlan, KY. Thanks for watching.


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.