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Jefferson County Colorado

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    On ptilolite, a new mineral [from Jefferson County, Colorado]
    Charles Whitman Cross and L. G. Eakins
    American Journal of Science August 1886, s3-32 (188) 117-121; DOI: https://doi.org/10.2475/ajs.s3-32.188.117
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    On the minerals, mainly zeolites, occurring in the basalt of Table Mountain, near Golden, Colorado
    Charles Whitman Cross and W. F. Hillebrand
    American Journal of Science August 1882, s3-24 (140) 129-138; DOI: https://doi.org/10.2475/ajs.s3-24.140.129
  • You have access
    On the minerals, mainly zeolites, occurring in the basalt of Table Mountain, near Golden
    Charles Whitman Cross and W. F. Hillebrand
    American Journal of Science June 1882, s3-23 (138) 452-458; DOI: https://doi.org/10.2475/ajs.s3-23.138.452
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    On Colorado meteorites; Russel Creek meteoric iron and Bear Creek meteoric iron
    J. L. Smith
    American Journal of Science January 1867, s2-43 (127) 66-67; DOI: https://doi.org/10.2475/ajs.s2-43.127.66

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