The Helderberg Group and the position of the Silurian-Devonian boundary in North America /
| Main Author: | |
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| Format: | Government Document |
| 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: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo75728 |
Internet
https://purl.fdlp.gov/GPO/gpo75728Available Online
| Call Number: |
I 19.3:1180-B |
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|---|---|---|
| Call Number | Status | Get It |
| I 19.3:1180-B | Available | |