North America

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Rocky Mountain protaxis and the post-Cretaceous mountain-making along its course
James Dwight Dana

American Journal of Science September 1890, s3-40 (237) 181-196; DOI: https://doi.org/10.2475/ajs.s3-40.237.181
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Stratigraphic position of the Olenellus fauna in North America and Europe
C. D. Walcott

American Journal of Science July 1889, s3-38 (223) 29-42; DOI: https://doi.org/10.2475/ajs.s3-38.223.29
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Notes on the occurrence of a leucite rock in the Absaroka Range, Wyoming
Arnold Hague

American Journal of Science July 1889, s3-38 (223) 43-47; DOI: https://doi.org/10.2475/ajs.s3-38.223.43
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Crystallized bertrandite from Stoneham, Maine, and Mount Antero, Colorado
Samuel L. Penfield

American Journal of Science March 1889, s3-37 (219) 213-216; DOI: https://doi.org/10.2475/ajs.s3-37.219.213
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Bertrandite from Mount Antero, Colorado
Samuel Lewis Penfield

American Journal of Science July 1888, s3-36 (211) 52-55; DOI: https://doi.org/10.2475/ajs.s3-36.211.52
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Three formations of the Middle Atlantic slope
W. J. McGee

American Journal of Science May 1888, s3-35 (209) 367-388; DOI: https://doi.org/10.2475/ajs.s3-35.209.367
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The Taconic system of Emmons, and the use of the name Taconic in geologic nomenclature
Chas D. Walcott

American Journal of Science May 1888, s3-35 (209) 394-401; DOI: https://doi.org/10.2475/ajs.s3-35.209.394
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The Taconic system of Emmons and the use of the name Taconic in geologic nomenclature
C. D. Malcom

American Journal of Science April 1888, s3-35 (208) 307-327; DOI: https://doi.org/10.2475/ajs.s3-35.208.307
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Is there a Huronian Group?
R. D. Irving

American Journal of Science November 1887, s3-34 (203) 365-374; DOI: https://doi.org/10.2475/ajs.s3-34.203.365
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Is there a Huronian group?
Roland Duer Irving

American Journal of Science September 1887, s3-34 (201) 204-216; DOI: https://doi.org/10.2475/ajs.s3-34.201.204

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