McChesney, J. (1859). Descriptions of new species of fossils from the Palaeozoic rocks of the Western States. Transactions of the Chicago Academy of Sciences, [Extract 1]. 1–76.
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McChesney, J.
1859
Descriptions of new species of fossils from the Palaeozoic rocks of the Western States
Transactions of the Chicago Academy of Sciences, [Extract 1]