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Close view of a conveyor and engine.

1. Mining Machinery, Thomas, W. Va.

View of a conveyor and engine at a coal mine operation in Thomas, W. Va.

2. Mining Machinery, Thomas, W. Va.

3. Mat Conveyor Built in the Shop at Thomas, W. Va.

4. Mining Machinery, Thomas, W. Va.

5. Mining Machinery, Thomas, W. Va.

Close view of a conveyor and engine at a coal mine operation in Thomas, W. Va.

6. Mining Machinery, Thomas, W. Va.

Close view of a conveyor and engine at a coal mine machine shop in Thomas, W. Va.

7. Mining Machinery, Thomas, W. Va.

View of a conveyor in a machine shop at a coal mine in Thomas, W. Va.

8. Mining Machinery, Thomas, W. Va.

9. Mining Machinery, Thomas, W. Va.

Close view of a conveyor at a coal mine shop in Thomas, W. Va.

10. Mining Machinery, Thomas, W. Va.

11. Coal on Conveyor Belt at Jamison No. 9 Mine

Modified Longwall Mining with a German Coal Planer. Progress Report 2: Completion of mining in three adjacent panels in the Pocahontas No. 4 coal bed, Helen, W. Va; Please give credit to Bureau of Mines, United States, Department of Interior.

12. Longwall Face Showing Armored Conveyor, Planer, and Roof Supports

13. Coal on a Conveyor at Thomas, W. Va.

Pile of coal at the end of a conveyor.

14. Coal Conveyor at Thomas, W. Va.

'Loading [sic] from heading to face conveying on 9% grade to boom, coal wet; distance to face 174 feet; flight type boom; Note:  up until the time of taking pictures A-1-A-2-3&4 no jacks were set to support conveyor or drive.'

15. Coal on Conveyor at Thomas, W. Va.

'View from point at which scraper was working; looking through conveyor to heading a distance of 300 ft.'

16. Conveyor Filled with Coal at Thomas, W. Va.

This is written on the back of the photo: 'Junction point two (2) 30"x1200' Conveyors Truax Traer Company, Elkville now used in Cabin Creek mines in West Virginia'

17. Conveyor Belt at Truax Traer Coal Company, Elkville IL

18. Building a Conveyor System Inside a Coal Mine

19. Conveyor Equipment at Truax Traer Coal Company, Elkville IL

20. Conveyor Equipment at Truax Traer Coal Company, Elkville IL

This is written on the back of the photo: '30" Main Slope belt discharging to the car loading boom Hart Coal Company, Morton's Gap, Kentucky'

21. Main Slope Belt Discharging Coal to Car at Hart Coal Company, Morton's Gap, KY

22. Conveyor Belt Inside a Coal Mine

23. Conveyor Belt Inside a Coal Mine

24. Conveyor Belt Mechanism Inside a Coal Mine

25. Conveyor Belt Mechanism Inside a Coal Mine

26. Coal on a Conveyor Belt Inside a Mine