The Helderberg Group and the position of the Silurian-Devonian boundary in North America / by Jean M. Berdan.
Saved in:
| Online Access: |
Online Access |
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| Main Author: | |
| Other title: | Contributions to stratigraphic paleontology. |
| Format: | Government Document eBook |
| Language: | English |
| Published: |
Washington, D.C. :
United States Department of the Interior, Geological Survey,
1964.
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| Series: | Geological Survey bulletin ;
1180-B. |
| Subjects: |
Internet
Online AccessOnline
| Call Number: |
I 19.3:1180-B
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| I 19.3:1180-B | Available |