The distribution of the Neocene sea-urchins of middle California and its bearing on the classification of the Neocene formations.
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| Format: | Book |
| Language: | English |
| Published: |
Berkeley :
University of California Press,
1898.
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| Series: | University of California publications in geological sciences ;
v. 2, no. 4. |
| Subjects: |
| Physical Description: | 109-118. ; 27 cm. |
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