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1st Author:
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Conrad, T.A.
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2nd Author:
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3rd Author:
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Year:
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1842 |
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Title:
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Observations on the Silurian and Devonian systems of the United States, with descriptions of new organic remains. |
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Reference:
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Journal of the Academy of Natural Sciences of Philadelphia, 8: 228-280, pl.12-18, Philadelphia. |
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Keywords:
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Devon.; USA |
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Link:
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