questions
is there a possibility that our trillion+ tons of coal can turn out to be completely useless for any form of commercialization
is there such a thing as useless coal
or
if it is.. no good for gas and oil
can it be mined
is the depth of this coal financially viable for mining
how deep can they mine it
and finally
how close is the railway line to it
i will really appreciate your answers
thank you
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