underground

Great Boulder G.M/ Underground view, drive, rail tracks, pipes, tools.

Croesus G.M. Miners underground.

Lake View Gold Mine, underground, 1 miner with drill, lamp hanging on face nearby.

Part of underground map of mine.

three men underground with rock bolting or drilling machine.

6 men, 2 wearing suits, hats, ties; 4 wearing work clothes, posed in front of huge timber headframe with double underground cages.

Mine. Underground, 3 miners, 1 with pipe. Large bucket on pulley, bin on wheels, miners light hanging from beam, solid timber supports.