Paleozoic

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On Taconic rocks and stratigraphy, with a geological map of the Taconic regions; Part II
James D. Dana

American Journal of Science April 1887, s3-33 (196) 270-276; DOI: https://doi.org/10.2475/ajs.s3-33.196.270
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The norites of the Cortlandt Series on the Hudson River near Peekskill, NY
G. H. Williams

American Journal of Science March 1887, s3-33 (195) 191-199; DOI: https://doi.org/10.2475/ajs.s3-33.195.191
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On certain fossiliferous limestones of Columbia County, New York, and their relation to the Hudson River shales and the Taconic system
Irving Prescott Bishop

American Journal of Science December 1886, s3-32 (192) 438-441; DOI: https://doi.org/10.2475/ajs.s3-32.192.438
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Note on the age of Swedish Paradoxides beds
S. W. Ford

American Journal of Science December 1886, s3-32 (192) 473-476; DOI: https://doi.org/10.2475/ajs.s3-32.192.473
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Devonian Lamellibranchiata and species making
Henry Shaler Williams

American Journal of Science September 1886, s3-32 (189) 192-198; DOI: https://doi.org/10.2475/ajs.s3-32.189.192
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Classification of the Cambrian system of North America
Charles Doolittle Walcott

American Journal of Science August 1886, s3-32 (188) 138-157; DOI: https://doi.org/10.2475/ajs.s3-32.188.138
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The genus Strephochetus, distribution and species
Henry Martyn Seely

American Journal of Science July 1886, s3-32 (187) 31-34; DOI: https://doi.org/10.2475/ajs.s3-32.187.31
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Preliminary report on the geology of the Cobscook Bay District, Me
Nathaniel Southgate Shaler

American Journal of Science July 1886, s3-32 (187) 35-60; DOI: https://doi.org/10.2475/ajs.s3-32.187.35
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Notice of a new genus of Lower Silurian Brachiopoda
Silas Watson Ford

American Journal of Science June 1886, s3-31 (186) 466-467; DOI: https://doi.org/10.2475/ajs.s3-31.186.466
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On Lower Silurian fossils from a limestone of the original Taconic of Emmons
James Dwight Dana

American Journal of Science April 1886, s3-31 (184) 241-248; DOI: https://doi.org/10.2475/ajs.s3-31.184.241

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