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  • All fields: R7000748713
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    • Poncha Pass

    • Right side of panorama view from Bull Hill shows slopes with mine tailings, Denver and Rio Grande Western railroad tracks; snow capped Sangre De Cristo Range in distance.
    • Denver and Rio Grande Western Railroad Company--1890-1920.; Bull Hill (Colo.)--1890-1920.; Sangre de Cristo Mountains (Colo. and N.M.)--1890-1920.; Mining--Colorado--Bull Hill--1890-1920.; Railroad tracks--Colorado--Bull Hill--1890-1920.; Tailings...
    • [between 1890 and 1920]

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