Paleozoic

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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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The Taconic system of Emmons, and the use of the name Taconic in geologic nomenclature
Charles Doolittle Walcott

American Journal of Science March 1888, s3-35 (207) 229-242; DOI: https://doi.org/10.2475/ajs.s3-35.207.229
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On the different types of the Devonian system in North America
Henry Shaler Williams

American Journal of Science January 1888, s3-35 (205) 51-59; DOI: https://doi.org/10.2475/ajs.s3-35.205.51
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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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Fauna of the "Upper Taconic" of Emmons, in Washington County, N Y
Charles Doolittle Walcott

American Journal of Science September 1887, s3-34 (201) 187-199; DOI: https://doi.org/10.2475/ajs.s3-34.201.187
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Recent explorations in the Wappinger Valley limestone of Dutchess County, New York; no. 6, Discovery of additional fossiliferous Potsdam strata, and pre-Potsdam strata of the Olenellus group, near Poughkeepsie, New York
William Buck Dwight

American Journal of Science July 1887, s3-34 (199) 27-32; DOI: https://doi.org/10.2475/ajs.s3-34.199.27
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Notes on the Lower Carboniferous groups along the easterly side of the Appalachian area in Pennsylvania and the Virginias
John James Stevenson

American Journal of Science July 1887, s3-34 (199) 37-44; DOI: https://doi.org/10.2475/ajs.s3-34.199.37
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The great Acadian Paradoxides.
George Frederick Matthew

American Journal of Science May 1887, s3-33 (197) 388-390; DOI: https://doi.org/10.2475/ajs.s3-33.197.388
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Taconic rocks and stratigraphy, with a geological map of the Taconic region; Part II
James D. Dana

American Journal of Science May 1887, s3-33 (197) 393-419; DOI: https://doi.org/10.2475/ajs.s3-33.197.393

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