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This picture shows the thickness of the coal seam in relation to a normal doorway.

1. Thickness of Coal Seam at Long Branch No. 1

Two miners digging coal in mine.

2. Miners Operating a Cutting Machine

3. Coal Seams in Layers of Rock

Unidentified coal loading platform alongside railroad tracks.

4. Coal Loading Platform

5. Visitors Watching the Mountaineer Coal Shovel at Work

6. Tour of Hanna Coal Company Mine Site, Cadiz, Ohio

7. Coal on Conveyor

Two miners take samples of coal.

8. Miners Taking Samples of Coal

9. Miner Marking a Coal Seam

Group Portrait of Men Standing Below the Tiger Coal Shovel

10. Visitors Pose with Hanna Coal Company's Tiger Shovel

11. Tour of Hanna Coal Company Mine Site, Cadiz, Ohio

12. Miner Operates a Coal Cutting Machine Prior to Blasting

13. Miners Operating a Cutting Machine

Two miners cut coal at Pursglove No. 15

14. Miners Operating a Cutting Machine in Pursglove No. 15 Mine

Coal conveyor systems run throughout the hillside.

15. Raw Coal Conveyor System

Caption on back reads, 'Making a cut in the coal face is this Mastodon of the machine age - an underground cutter.  Rubber tired for mobility, and mounting a 9-foot cutting blade armed with whirring steel bits, it can cut a full 360 degree arc.  This and similar machines give America's bituminous coal mines almost unlimited capacity for production.'

16. Miners Operating a Cutting Machine at Mine No. 32, Consolidation Coal Company, Owings, W. Va.

A miner operates an electric shuttle car in the mine.

17. Miner Operating an Electric Shuttle Car

A miner moves a fully loaded shuttle car down the mine shaft.

18. Loaded Coal Shuttle Car

A miner empties his shuttle car.

19. Shuttle Car Discharging Coal

Men work with core drilling equipment on a hillside.

20. Core Drilling

Group portrait of children standing in front of the large shovel 'The Mountaineer'.

21. Youngsters in front of the Mountaineer Shovel

Five men standing in the Mountaineer Scoop.

22. Tour of Hanna Coal Company Mine Site, Cadiz, Ohio

23. Visitors Pose with Hanna Coal Company's Mountaineer Shovel

24. Visitors and Workers Standing in the Shovel of the Tiger

Two men sitting on a bench in a mine in an underground mine.  Sign reads, 'It is a dischargeable offence to run over any cable.'

25. Miners Seated on Bench in an Underground Mine.

26. Coal Miner at Work Underground