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Two miners operate a cutting machine. 'Credit must be given to Willaim Vandivert, 21 East Tenth St., New York 3, N.Y., Not to be reproduced without written liscense.'

1. Cutting Machine in Operation

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

2. Cutting Machine in Operation at Mine No. 32

Two men operating a loading machine.

3. Loading Machine in Action at Mine No. 32