North America

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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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Physical characteristics of the northern and northwestern lakes
L. Y. Schermerhorn

American Journal of Science April 1887, s3-33 (196) 278-284; DOI: https://doi.org/10.2475/ajs.s3-33.196.278
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Phenacite from Colorado
Samuel L. Penfield

American Journal of Science February 1887, s3-33 (194) 130-135; DOI: https://doi.org/10.2475/ajs.s3-33.194.130
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Origin of the ferruginous schists and iron ores of the Lake Superior region
Roland Duer Irving

American Journal of Science October 1886, s3-32 (190) 255-272; DOI: https://doi.org/10.2475/ajs.s3-32.190.255
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On pseudomorphs of garnet from Lake Superior and Salida, Colorado
Samuel L. Penfield and F. L. Sperry

American Journal of Science October 1886, s3-32 (190) 307-311; DOI: https://doi.org/10.2475/ajs.s3-32.190.307
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Wm. B. Roger's geology of the Virginias; a review
J. L. Campbell and H. D. Campbell

American Journal of Science March 1886, s3-31 (183) 193-202; DOI: https://doi.org/10.2475/ajs.s3-31.183.193
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Crystals of analcite from the Phoenix Mine, Lake Superior copper region
Samuel Lewis Penfield

American Journal of Science August 1885, s3-30 (176) 112-113; DOI: https://doi.org/10.2475/ajs.s3-30.176.112
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On the probable occurrence of the great Welsh Paradoxides, P. davidis, in America
George Frederick Matthew

American Journal of Science July 1885, s3-30 (175) 72-73; DOI: https://doi.org/10.2475/ajs.s3-30.175.72
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Taconic rocks and stratigraphy
James D. Dana

American Journal of Science June 1885, s3-29 (174) 437-443; DOI: https://doi.org/10.2475/ajs.s3-29.174.437
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Denudation of the two Americas
T. M. Reade

American Journal of Science April 1885, s3-29 (172) 290-299; DOI: https://doi.org/10.2475/ajs.s3-29.172.290

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