Bituminous ___. 4 letters

Crossword clues for Bituminous ___. 4 letters

Answer	Clue
COAL	Bituminous ___.
COAL	It might be bituminous
BITUMINOUS	Describing soft coal.
BITUMINOUS	Pertaining to a petrified Pa. product
BITUMINOUS	Kind of coal.
TAR	Bituminous distillation.
COALS	Anthracite and bituminous
OILSANDS	Bituminous petroleum deposits of Alberta
CANNEL	Bituminous coal
SHALES	Some are bituminous