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Publication

Churn drills, Pitkin County

Kaeser, Fritz
K2 Aspen, Colorado
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1950?
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Abstract
Churn drills in operation, with town of Aspen in the background, Pitkin County. Caption reads: "View of churn drills being used by ...Mining Co to determine geology." "Pitkin 1950 Yearbook."
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Copyright retained by Colorado Mining Association.
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