It is called a miner.
You can use the heavy machinery such as rigs to get the coal out of the ground
It is a Miner they go in Mines to mine out coal
reserves are coal still in the ground
you get coal from the ground i saw it on a game once
A coal seam
The most prominent method of extracting coal from the ground is via mining.
Coal- In a mined so in the ground and oil also in the ground
A coal miner or a miner.
Coal miner
a coal miner
Coal still in the ground is remains named as 'coal'. It is a carboniferous rock.