Early Cretaceous (Albian) ammonites from the Chitina Valley and Talkeetna Mountains, Alaska.
"The Early Cretaceous (Albian) ammonites in southern Alaska have strong affinities with those in California and Oregon but are in part of Boreal and Eurasian origin."
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1960.
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| Series: | Shorter contributions to general geology.
Professional paper (Geological Survey (U.S.)) ; 354-D. |
| Subjects: |
| Summary: | "The Early Cretaceous (Albian) ammonites in southern Alaska have strong affinities with those in California and Oregon but are in part of Boreal and Eurasian origin." |
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| Item Description: | Includes index. |
| Physical Description: | 87-114 pages : illustrations, maps. ; 29 cm. |
| Bibliography: | Bibliography: pages 111-112. |