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Publication

Miner operating a jackhammer underground, Rico Argentine Mining Company

Barbre, Thomas J.
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Abstract
A miner at a stope operates an Ingersoll Rand jackhammer underground, Rico Argentine Mining Company. Caption reads: "Rico Argentine Mining Company, Rico, Colo. Using Ingersoll Rand JB5 Jackhammer in stope."
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Copyright retained by Colorado Mining Association.
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