Multinodose scaphitid cephalopods from the lower part of the Pierre Shale and equivalent rocks in the conterminous United States /
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Washington :
U.S. Government Printing Office,
1964.
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| Series: | U.S. Geological Survey. Professional paper
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| Subjects: |
| Item Description: | Contributions to paleontology. |
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| Physical Description: | 13 páginas : ilustraciones ; 29 cm.--. |