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1. Miner Testing for Gas in Jamison No. 9 Mine

Miner tests for gas in mine.

2. Testing for Gas

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

3. Testing for Gas at Jamison No. 9 Mine

Miner tests for gas in mine.

4. Testing for Gas

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.

5. Testing for Gas

Miner tests for gas in mine.

6. Testing for Gas