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Ordovician and Silurian graptolite succession in the Trail Creek area, central Idaho -- a graptolite zone reference section /

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Bibliographic Details
Main Author: Carter, Claire (Author)
Other Authors: Churkin, Michael, 1932-
Format: Government Document eBook
Language:English
Published: Washington : United States Department of the Interior, Geological Survey, 1977.
Series:Geological Survey professional paper ; 1020.
Subjects:
Graptolites > Idaho > Custer County.
Graptolites > Idaho > Blaine County.
Paleontology > Ordovician.
Paleontology > Silurian.
Paleontology > Idaho > Custer County.
Paleontology > Idaho > Blaine County.
Graptolites.
Ordovician Geologic Period.
Paleontology.
Silurian Geologic Period.
Idaho > Blaine County.
Idaho > Custer County.
From 405 to 500 million years ago
Online Access:https://purl.fdlp.gov/GPO/gpo89685
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