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coal mining

the trouble with coal

aaron tyler

on 6 October 2011

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Transcript of coal mining

COAL MINING the us producces 35% of the worlds coal coal dates back to 5000 to 7000 coal is of the easyist to get of the 4 to get of the fossil feuls it is kind of enviormentaly frendly there is 2 ways to get coal
strip mining and drift mining the easy way is surface mining most of the worlds coal is in north america there are many disadvantages most people that work in coal mines die from black longes this is how they would mine coal mining has many danger to the job caveins
exsplosives early fire it was discovered in V.A. in 1701 coal was discovered in 1701 i V.A. in the 1750 coal was discovered in KENTUCKY over 1/4 of the us power plants are coal powered the averag coal miner has is 45 years old and has 20 years experienc the us has over 250 years of coal 1820 the first commercal mine use made 1843 100000 lbs of coal prodution coal mining is great
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