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Ordovician

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    Supplement to the account of the discoveries in Vermont geology of the Rev. Augustus Wing
    James D. Dana
    American Journal of Science July 1877, s3-14 (79) 36-37; DOI: https://doi.org/10.2475/ajs.s3-14.79.36
  • You have access
    On the relations of the geology of Vermont to that of Berkshire
    James Dwight Dana
    American Journal of Science July 1877, s3-14 (79) 37-48; DOI: https://doi.org/10.2475/ajs.s3-14.79.37
  • You have access
    An account of the discoveries in Vermont geology of the Rev. Augustus Wing
    James Dwight Dana
    American Journal of Science May 1877, s3-13 (77) 332-347; DOI: https://doi.org/10.2475/ajs.s3-13.77.332
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    Classified list of the rocks observed in the Huronian series south of Lake Superior ...
    Thomas Benton Brooks
    American Journal of Science September 1876, s3-12 (69) 194-204; DOI: https://doi.org/10.2475/ajs.s3-12.69.194
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    On the occurrence of the brown hematite deposits of the Great Valley
    Frederick Prime
    American Journal of Science June 1875, s3-9 (54) 433-440; DOI: https://doi.org/10.2475/ajs.s3-9.54.433
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    Note on some new points in the elementary stratification of the Primordial and Canadian rocks of south central Wisconsin
    Roland Duer Irving
    American Journal of Science June 1875, s3-9 (54) 440-443; DOI: https://doi.org/10.2475/ajs.s3-9.54.440
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    On the Silurian age of the southern Appalachians
    Frank Howe Bradley
    American Journal of Science April 1875, s3-9 (52) 279-288; DOI: https://doi.org/10.2475/ajs.s3-9.52.279
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    On the so-called land plants from the Lower Silurian of Ohio
    John Strong Newberry
    American Journal of Science August 1874, s3-8 (44) 110-113; DOI: https://doi.org/10.2475/ajs.s3-8.44.110
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    Notes on the geology of western Texas near the thirty-second parallel
    Walter Proctor Jenney
    American Journal of Science January 1874, s3-7 (37) 25-29; DOI: https://doi.org/10.2475/ajs.s3-7.37.25
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    On the remains of land plants in the Lower Silurian
    Leo Lesquereux
    American Journal of Science January 1874, s3-7 (37) 31-34; DOI: https://doi.org/10.2475/ajs.s3-7.37.31

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