Crossword Clue:

a coal mine

Answer	Crossword Clue
ORECAR	Vehicle in a coal mine
TRAM	Cart in a coal mine
PIT	Shaft of a coal mine.

SPRAG	Roof prop in a coal mine
TRAM	Carrier of coal from a mine
SPRAG	Roof prop in a coal mine.
CANARY	Raiser of alarm in a coal mine
PIT	Coal mine.
DAMP	Coal-mine gas
METHANE	Coal mine product
DAMPS	Coal mine grass.

INA	Canary ... coal mine
SLAG	Coal mine waste
TRAM	Coal-mine car
TRAM	Coal mine car.
PIT	Coal mine shaft.
DAMP	Coal mine gas.
SEAM	Coal mine find
PITS	Coal mine shafts.

ORECARS	Coal mine vehicles
TRAM	Coal-mine vehicle
BORD	Coal-mine road
OPERATOR	Coal-mine boss.
INA	Canary-coal mine connection
CANARIES	Unfortunate coal mine inhabitants
INA	Canary-coal mine connectors
CANARIES	Unfortunate coal mine visitors