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  • All fields: Bumping
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    • Perigo, Central City

    • Mine with rows of concentrating tables (Gilpin County Cast Iron Bumping Table), wheelbarrow, and machinery, Perigo, Gilpin County, Colorado.
    •  
    • [1890-1910]
    • Blackhawk - Iron City Stamp Mill (Int.)

    • mortars and amalgamated with the gold in the ore. The stamps were periodically stopped and the amalgam was retrieved and then sold to banks or the mint.; The interior of a stamp mill, possibly the Iron City Stamp Mill in Blackhawk, Colorado, shows...
    • Kemp, Donald Campbell, 1889-1975.
    • [between 1935 and 1950?]
    • Pre-1963 Colorado mining fatalities

    • An alphabetical listing of people who were killed in mining accidents in Colorado from 1884, when state legislation first required mining companies to report their accidents, through 1962.
    • Sherard, Gerald E. (Gerald Emerson), 1947-
    • 1995
    • Manualian: 1910

    • Yearbook for Denver Manual Training High School 1910.
    • Manual High School (Denver, Colo.)
    • 1910
    • The Heraldo Annual: 1902

    • West Denver High School yearbook for 1902.
    • West High School (Denver, Colo.)
    • 1902
    • History of Denver

    • Comprehenisve study of the history of the Denver area before, during, and after the founding of the city.
    • Smiley, Jerome C. (Jerome Constant), 1858-1924.
    • 1901

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