Ornithichnites or tracks resembling those of birds

Roswell Field

doi:10.2475/ajs.s2-29.87.361

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Field, R. (1860). Ornithichnites or tracks resembling those of birds. American Journal of Science, s2-29(87), 361–363. https://doi.org/10.2475/ajs.s2-29.87.361

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Ornithichnites or Tracks Resembling Those of Birds