Footprints

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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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On the supposed human footprints recently found in Nevada
Othniel Charles Marsh

American Journal of Science August 1883, s3-26 (152) 139-140; DOI: https://doi.org/10.2475/ajs.s3-26.152.139
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On footprints in the Carboniferous rocks of western Pennsylvania
W. D. Moore

American Journal of Science April 1873, s3-5 (28) 292-293; DOI: https://doi.org/10.2475/ajs.s3-5.28.292
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On the supposed tadpole nests, or imprints made by the Batrachoides nidificans Hitchcock, in the red shale of the New Red Sandstone of South Hadley, Massachusetts
Charles Upham Shepard

American Journal of Science January 1867, s2-43 (127) 99-104; DOI: https://doi.org/10.2475/ajs.s2-43.127.99
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New facts and conclusions respecting the fossil footmarks of the Connecticut Valley
Edward Hitchcock

American Journal of Science July 1863, s2-36 (106) 46-57; DOI: https://doi.org/10.2475/ajs.s2-36.106.46
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Ornithichnites or tracks resembling those of birds
Roswell Field

American Journal of Science May 1860, s2-29 (87) 361-363; DOI: https://doi.org/10.2475/ajs.s2-29.87.361

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