Stratigraphic distribution and zonation of Jurassic (Callovian) ammonites in southern Alaska /

Bibliographic Details
Main Author:	Imlay, Ralph W. (Ralph Willard), 1908-1989 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : United States Department of the Interior, Geological Survey, 1975.
Series:	Geological Survey professional paper ; 836.
Subjects:	Ammonoidea > Alaska. Geology > Alaska. Geology, Stratigraphic > Jurassic. Ammonoidea. Geology. Geology, Stratigraphic. Jurassic Geologic Period. Alaska. From 140 to 190 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo89157

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