Francis de Castelnau's Essai sur le systeme silurien de l'Amerique septentrionale and the status of his Spirifer huroniensis /

Bibliographic Details
Main Author: Ehlers, George Marion, 1891-
Other Authors: Wright, Jean Davies
Format: Book
Language:English
Published: Ann Arbor : Museum of Paleontology, University of Michigan, 1957.
Series:Contributions from the Museum of Paleontology ; v. 13, no. 7.
Subjects:

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