Mina de Barroterán coal mine disaster happened in 1969.
Coal Glen mine disaster happened in 1925.
Mitsui Miike Coal Mine disaster happened in 1963.
September 22 1934 Coal Mine disaster.
Good Coal, most likely black coal
the price of coal
I don't know what will happen if coal is finished
It was under the control of the National Coal Board
Because some dumb guy farted and sent a gas rocket that caused the coal to crash down.
Lack of safety precautions, blasts were set in the wrong places.
There would be no more coal left to use.
both coal and other resources can be synthetically made
when coal burns the energy change is chemical -------------> electrical