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    • Eldora Valley

    • The snow-capped peaks of the Continental Divide stand in the distance of this view of Eldora in Boulder County, Colorado. Eldora experienced its mining boom for about two years starting in 1897, when gold tellurides and sulphides were discovered on...
    • Boulder County (Colo.)--1930-1950.; Eldora (Colo.)--1930-1950.; Gold mining--Colorado--Eldora--1930-1950.; Mountains--Colorado--1930-1950.
    • [between 1935 and 1950?]

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