ichnofossils

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Footprints of vertebrates in the Coal Measures of Kansas
Othniel Charles Marsh

American Journal of Science July 1894, s3-48 (283) 81-84; DOI: https://doi.org/10.2475/ajs.s3-48.283.81
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Tracks of organic origin in rocks of the Animikie group
Alfred Richard Cecil Selwyn

American Journal of Science February 1890, s3-39 (230) 145-147; DOI: https://doi.org/10.2475/ajs.s3-39.230.145
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Notes on the Mesozoic strata of Virginia
W. M. Fontaine

American Journal of Science March 1879, s3-17 (99) 229-239; DOI: https://doi.org/10.2475/ajs.s3-17.99.229
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Notes on the Mesozoic strata of Virginia
W. M. Fontaine

American Journal of Science February 1879, s3-17 (98) 151-157; DOI: https://doi.org/10.2475/ajs.s3-17.98.151
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An account of discoveries in Vermont geology of the Rev. Augustus Wing
James D. Dana

American Journal of Science June 1877, s3-13 (78) 405-419; DOI: https://doi.org/10.2475/ajs.s3-13.78.405
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On the primordial strat of Virginia; Part II
W. M. Fontaine

American Journal of Science June 1875, s3-9 (54) 416-428; DOI: https://doi.org/10.2475/ajs.s3-9.54.416
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Description of a new species of Protichnites from the Potsdam Sandstone of New York
O. C. Marsh

American Journal of Science July 1869, s2-48 (142) 46-49; DOI: https://doi.org/10.2475/ajs.s2-48.142.46
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Notice of a new fossil annelid (Helminthodes antiquus) from the lithographic slates of Solenhofen
O. C. Marsh

American Journal of Science November 1864, s2-38 (114) 415; DOI: https://doi.org/10.2475/ajs.s2-38.114.415
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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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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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