The old Victorian houses still had coal holes near the pavement for deliveries.

The factory installed new coal crackers to improve fuel processing efficiency.

Every morning he rolls coal on the highway to annoy commuters.

Last weekend he rolled coal at the cyclists while revving his diesel truck, angering everyone nearby.

He was rolling coal down the highway to protest the new emissions rules.

The old boiler was fed with stone coal brought in from the northern pits.

The antique dealer discovered several coal brasses beneath the floorboards.

Miners discovered glittering coal brass embedded in the shale of the old seam.

The old furnace needed a steady supply of block coal to keep the workshop warm through winter.

Geologists discovered a vast coal-bearing formation beneath the plateau.