Synonyms for Coal mine:

n.

gold rush, coalfield, coal miner, coal mining, coal, gallery, colliery, conflict diamonds, goldmine. •artifact (noun)
coalpit.
•coal mine (noun)
coalpit.

Other synonyms:

coalfield, coal mining, colliery, coal, coal miner, conflict diamonds. goldmine, gold rush. gallery. •Other relevant words:
colliery.