Coal is mined from underground. Workers and machines take out coal from underground.
Mines in which the coal was mined.
they mined rocks for coal.
Coal and lead can be mined in Iowa.
Bituminous coal and limestone are mined in Indiana.
its mined by coal im 99.9% sure
Coal is mined principally in Orissa
Coal is mined principally in Orissa
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Excavated coal is commonly referred to as "mined coal."