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1. Miner Operating a Coal Loading Machine

2. Miners Operating a Loading Machine in Jamison No. 9 Mine

Two men operating a loading machine.

3. Loading Machine in Action at Mine No. 32

Miner operating a loading machine.

4. Loading Machine in Operation

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

5. Joy Loading Machine in Action

Miner operating a Joy loading machine.

6. Modern Joy Loading Machine