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A miner is driving a battery powered shuttle car that is self unloading to the loading station.

1. Battery Powered 'Self Unloader' Shuttle Car Hauling Coal to Loading Station

Miner putting bolts into the roof of a mine for support.

2. Miner Roof Bolting

Miner putting bolts into the roof of a mine for support.

3. Miner Roof Bolting

Miner placing boards in Cavalier Mine No. 206.

4. Miner Placing Boards on the Floor of Cavalier Mine No. 206

Miner tests for gas in mine.

5. Testing for Gas

Miner tests for gas in mine.

6. Testing for Gas

7. Miners Testing for Gas in a Coal MIne

Two miners test for gas in mine. Hamilton Wright Organization Inc.  80 Rockefeller Plaza, New York City, 'Newspaper Feature News' This photograph released to you GRATIS for editorial use only. Do not use for advertising purpose without written permission.

8. Testing for Gas

Man tests for gas at the Jamison No. 9 Mine.

9. Testing for Gas at Jamison No. 9 Mine

Miner in the process of placing charges into the coal seam at Bishop Mine.

10. Placing Charges, Bishop Mine

Miner operating a loading machine.

11. Loading Machine in Operation

Miner operating a Joy Loading Machine. '180 tons a day.'

12. Joy Loading Machine in Action

13. Miner Operating a Joy Continuous Mining Machine

Miner operating a Joy loading machine.

14. Modern Joy Loading Machine

Miner operating a Joy loading machine.

15. Joy Loading Machine

Miner operating a Joy continuous mining machine.

16. Joy Manufacturing Company Continuous Mining Machine

Two miners at Pursglove No. 15 cut coal preparatory to shooting it down for loading.

17. Cutting Coal at Pursglove No. 15

Two miners work on putting in roof bolts in the Pittsburgh Seam. Timber jack used to hold the roof while bolting.

18. Miners Roof Bolting

Two miners put bolts in to the mine rood at Jamison No. 9.

19. Miners Roof Bolt Drilling in Jamison No. 9 Mine

A very large cutting machine being operated by a miner. 'Credit must be given to William Vandivert, Not to be reproduced without written liscense.

20. Cutting Machine in Operation at Mine No. 32

Miners stand next to a large locomotive at Jamison No. 9.

21. Jamison No. 9 Mine Locomotive

Miners at work. 'Mountaineer Coal Co., Division of Consolidation Coal Co.'

22. Miners Working with Loading Machine

Miner operating the Railroad car loading control panel.

23. Railroad Car Loading Control Panel

A miner watches as coal is loaded into mine cars from a shuttle car.

24. Shuttle Car Discharges its Load into Mine Cars