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Carboniferous

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    Pre-Carboniferous strata in the Grand Canyon of the Colorado, Arizona
    Charles Doolittle Walcott
    American Journal of Science December 1883, s3-26 (156) 437-442; DOI: https://doi.org/10.2475/ajs.s3-26.156.437
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    Source of bituminous matter in the Devonian and Subcarboniferous black shales of Ohio
    Edward Orton
    American Journal of Science September 1882, s3-24 (141) 171-174; DOI: https://doi.org/10.2475/ajs.s3-24.141.171
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    The Carboniferous rocks of southeast Kansas
    G. C. Broadhead
    American Journal of Science July 1881, s3-22 (127) 55-57; DOI: https://doi.org/10.2475/ajs.s3-22.127.55
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    The structure and affinities of Euphoberia Meek and Worthen, a genus of Carboniferous Myriapoda
    Samuel Hubbard Scudder
    American Journal of Science March 1881, s3-21 (123) 182-186; DOI: https://doi.org/10.2475/ajs.s3-21.123.182
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    Notice of a new genus and species of air-breathing mollusk from the Coal Measures of Ohio, and observations on Dawsonella.
    Robert Parr Whitfield
    American Journal of Science February 1881, s3-21 (122) 125-128; DOI: https://doi.org/10.2475/ajs.s3-21.122.125
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    The Millstone grit in England and Pennsylvania
    Henry Martyn Chance
    American Journal of Science February 1881, s3-21 (122) 134-135; DOI: https://doi.org/10.2475/ajs.s3-21.122.134
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    Revision of the land snails of the Paleozoic era, with descriptions of new species
    John William Dawson
    American Journal of Science November 1880, s3-20 (119) 403-415; DOI: https://doi.org/10.2475/ajs.s3-20.119.403
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    Extension of the Carboniferous formation in Massachusetts
    W. O. Crosby and G. H. Barton
    American Journal of Science November 1880, s3-20 (119) 416-420; DOI: https://doi.org/10.2475/ajs.s3-20.119.416
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    The Permian and other Paleozoic groups of the Kanab Valley, Arizona
    Charles Doolittle Walcott
    American Journal of Science September 1880, s3-20 (117) 221-225; DOI: https://doi.org/10.2475/ajs.s3-20.117.221
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    Discovery of a new group of Lower Carboniferous rocks in southeastern Ohio
    Ebenezer Baldwin Andrews
    American Journal of Science August 1879, s3-18 (104) 137; DOI: https://doi.org/10.2475/ajs.s3-18.104.137

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