Lower Devonian

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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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Geological relations of the limestone belts of Westchester County, New York
J. D. Dana

American Journal of Science August 1881, s3-22 (128) 103-119; DOI: https://doi.org/10.2475/ajs.s3-22.128.103
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Review of Professor Hall's recently published volume on the Devonian fossils of New York
C. Barrois

American Journal of Science January 1881, s3-21 (121) 44-52; DOI: https://doi.org/10.2475/ajs.s3-21.121.44
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On Helderberg rocks in New Hampshire
C. H. Hitchcock

American Journal of Science June 1874, s3-7 (42) 557-570; DOI: https://doi.org/10.2475/ajs.s3-7.42.557

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