A new fauna from the Colorado group of southern Montana /
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington, D.C. :
U.S. G.P.O.,
1923.
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| Series: | Shorter contributions to general geology ;
1923. Professional paper (Geological Survey (U.S.)) ; 132-B. |
| Subjects: |
| Physical Description: | pages 25-31 : 11 plates ; 29 cm. |
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