Most miners dig without them.

Excited and curious, the miners had dug out the motionless robot and reactivated its systems.

As the miners dig, a conveyor system carries the coal back to the surface.

He watches with hawklike vigilance as the miners dig.

In addition, the miners inadvertently dug below the water table, and the mine shafts began filling with water faster than it could be pumped out.

Tabor had the last laugh when his miners dug a few feet farther and discovered a rich ore body.

As the miners dig, rubies, gold, emeralds, and diamonds will appear.

From mid-July 1871 to 1914, 50,000 miners dug the hole with picks and shovels, yielding 2,722 kg of diamonds.

On occasions miners accidentally dug into the opposing side's tunnel and an underground fight took place.

As miners dug deeper to access new veins, flooding became a very real obstacle.