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Coal car tracks inside of the mine.

25. Tracks in an Underground Mine

Overcast, where two air currents cross in a mine, at the Jamison Mine No. 9 shaft bottom.

26. Overcast in Jamison No. 9 Mine Shaft Bottom

27. Coal Shuttle in Jamison Mine No. 9

Mine car traveling through the mine.

28. Mine Car

29. ITE Circuit Breaker at Jamison Mine No. 9

Jamison No. 9 Mine shaft with a tensioning device on a cable.

30. Rock Dusted Mine Shaft at Jamison No. 9

31. Inter-Floor Lift at Jamison Mine No. 9

32. Electric Shuttle Car at Jamison Coal Mine No. 9

33. Loading Machine Discharges Coal into Shuttle Car

Continuous mining machine at work.

34. Continuous Miner in a Tunnel Approximately 4 Feet High

35. Miners Work on a Loading Machine Inside a Mine

36. Miner in a Shuttle Car