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

Bibliographic Details
Main Author: Carter, Claire
Corporate Author: Geological Survey (U.S.)
Other Authors: Churkin, Michael, 1932-
Format: Government Document Book
Language:English
Series:Geological Survey professional paper ; 1020.
Subjects:
Description
Item Description:Includes index.
Physical Description:iv, 37 pages, 1 unnumbered page, 7 leaves of plates : illustrations ; 29 cm.
Bibliography:Bibliography: pages 32-33.