Middle Jurassic (Bajocian and Bathonian) ammonites from northern Alaska /

An ammonite succession nearly indentical with that in northern Canada is correlated with a more varied ammonite succession in southern Alaska.

Bibliographic Details
Main Author: Imlay, Ralph W. (Ralph Willard), 1908-1989
Corporate Author: Geological Survey (U.S.)
Format: Government Document Book
Language:English
Series:Geological Survey professional paper ; 854.
Subjects:
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