North America

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Physiographical sketch of that portion of the Rocky Mountain Range, at the head waters of South Clear Creek, and east of Middle Park, 231 with an enumeration of the plants collected in this district, in the summer months of 1861
C. C. Parry

American Journal of Science March 1862, s2-33 (98) 231-243; DOI: https://doi.org/10.2475/ajs.s2-33.98.231
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Thirty years retrospect of the progress in our knowledge of the geology of the older rocks
Roderick Impey Murchison

American Journal of Science January 1862, s2-33 (97) 1-21; DOI: https://doi.org/10.2475/ajs.s2-33.97.1
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The Primordial sandstone of the Rocky Mountains in the northwestern territories of the United States
Ferdinand Vandiveer Hayden

American Journal of Science January 1862, s2-33 (97) 68-79; DOI: https://doi.org/10.2475/ajs.s2-33.97.68
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On some questions concerning the coal formations of North America
Leo Lesquereux

American Journal of Science September 1861, s2-32 (95) 193-205; DOI: https://doi.org/10.2475/ajs.s2-32.95.193
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On the Appalachian Mountain system
M. Carey Lea

American Journal of Science March 1861, s2-31 (92) 157-187; DOI: https://doi.org/10.2475/ajs.s2-31.92.157
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Sketch of the geology of the country about the headwaters of the Missouri and Yellowstone rivers
Ferdinand Vandiveer Hayden

American Journal of Science March 1861, s2-31 (92) 229-245; DOI: https://doi.org/10.2475/ajs.s2-31.92.229
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On some questions concerning the coal formations of North America
Leo Lesquereux

American Journal of Science November 1860, s2-30 (90) 367-384; DOI: https://doi.org/10.2475/ajs.s2-30.90.367
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Geographical Notices
Anonymous

American Journal of Science November 1860, s2-30 (90) 391-398; DOI: https://doi.org/10.2475/ajs.s2-30.90.391
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On some questions concerning the coal formations of North America
Leo Lesquereux

American Journal of Science July 1860, s2-30 (88) 63-74; DOI: https://doi.org/10.2475/ajs.s2-30.88.63
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The great auroral exhibition of Aug. 28th to Sept. 4th, 1859
Anonymous

American Journal of Science May 1860, s2-29 (87) 386-399; DOI: https://doi.org/10.2475/ajs.s2-29.87.386

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