Coal still in the ground is remains named as 'coal'. It is a carboniferous rock.
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reserves are coal still in the ground
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A layer of coal under the ground is sometimes called a coal bed.
It is called a miner.
You can use the heavy machinery such as rigs to get the coal out of the ground
reserves are coal still in the ground
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A coal seam
A layer of coal under the ground is sometimes called a coal bed.
It is called a miner.
reserves
its i dont know because this crossword sucks
You can use the heavy machinery such as rigs to get the coal out of the ground
By digging big holes (called coal mines) in the ground and separating the coal, rock, and soil in the material dug from those holes. Coal usually comes in layers (called seams) between layers of other sedimentary rocks.
you get coal from the ground i saw it on a game once
By digging big holes (called coal mines) in the ground and separating the coal, rock, and soil in the material dug from those holes. Coal usually comes in layers (called seams) between layers of other sedimentary rocks.
The most prominent method of extracting coal from the ground is via mining.