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10th Mountain Division Records
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    • Underground drilling with machine drill

    • Underground drilling with machine drill

    • A miner squats down to operate an air drill called a stoper or a "wiggle tail" in a gold mine in Gilpin County, probably in the 1880s or 1890s. The miner leans against a thick rock wall. Smaller rocks stand in a pile in the dark background. The...

    • Gilpin County (Colo.)--1880-1900.; Drilling & boring machinery--1880-1900.; Gold miners--Colorado--Gilpin County--1880-1900.; Gold mining--Colorado--Gilpin County--1880-1900.

    • [between 1935 and 1950?]
    • Underground drilling with machine drill

    • Underground drilling with machine drill

    • A miner operates an air drill called a stoper or a "wiggle tail" in a gold mine in Gilpin County, Colorado, probably in the 1880s or 1890s. The miner stands on a drill steel wedged between the rock faces of the hanging wall and the foot wall. A...

    • Gilpin County (Colo.)--1880-1900.; Drilling & boring machinery--1880-1900.; Gold miners--Colorado--Gilpin County--1880-1900.; Gold mining--Colorado--Gilpin County--1880-1900.

    • [between 1935 and 1950?]

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