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An unidentified man works a D-7 caterpillar bulldozer to push coal out of the way.

1. Caterpillar Bulldozer Moving Coal at Unidentified Mine

A man leads a large piece of equipment across a field.

2. Tractor Pulling Mining Machinery in Unidentified Location

3. Coal Mine Axial Flow Fan

WVU Armory visible in background.

4. Demonstration of Coal Dust Explosion

A photograph of two men working with a piece of equipment. WVU Armory visible in background.

5. Demonstration of Coal Dust Explosion

A group of men involved in testing a piece of unidentified equipment. WVU Armory visible in background.

6. Demonstration of Coal Dust Explosion

A photograph of what appears to be a piece of lab equipment, which could have been used in mine testing.

7. Laboratory Equipment

8. Mine Lantern

9. Mining Equipment

10. Mine Lantern

11. Mine Lantern

12. Mine Lantern

13. Mine Lantern

A photograph of two miners in a mine with a piece of equipment.

14. Miners with Drilling Equipment

Men at work with loading machine and shuttle car. Probably Joy Machinery.

15. Miners Operating a Loading Machine