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Man competing in hand-drilling at a mining competition
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1972
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Abstract
A man single-jack drills a hole in a boulder while other men stand nearby, at a mining competition at the Western Mining Conference & Exhibition. A banner reading "75th Anniversary" is in the background.
Caption reads: "Mike Smith 1972 Winner. Feb 5 1972."
Caption reads: "Mike Smith 1972 Winner. Feb 5 1972."
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Copyright retained by Colorado Mining Association.