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Recurrent Tropidoleptus Zones of the Upper Devonian in New York (Classic Reprint) - Couverture rigide

Williams, Henry S.

 
9780331247329: Recurrent Tropidoleptus Zones of the Upper Devonian in New York (Classic Reprint)

Synopsis

Excerpt from Recurrent Tropidoleptus Zones of the Upper Devonian in New York

Chemung formation. The subordinate zone is near the base Of the Ithaca shale member Of the Portage formation. (see fig. 2, p.

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