Ordovician and Silurian graptolite succession in the Trail Creek area, central Idaho--a graptolite zone reference section / by Claire Carter and Michael Churkin, Jr.

Bibliographic Details
Uniform Title:Geological Survey professional paper ; 1020.
Main Author: Carter, Claire
Corporate Author: Geological Survey (U.S.)
Other Authors: Churkin, Michael, 1932-
Language:English
Published: Washington : Department of the Interior, Geological Survey : for sale by Supt. of Docs., U.S. Govt. Print. Off, 1977.
Series:Geological Survey professional paper ; 1020.
Subjects:
Physical Description:iv, 37 pages, 1 unnumbered page, 7 leaves of plates : illustrations ; 29 cm.
Format: Government Document Book

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