The development of geological studies in the Grand Canyon /
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| Corporate Authors: | , |
| 格式: | Conference Proceeding 圖書 |
| 語言: | English |
| 出版: |
Philadelphia :
Dept. of Malacology, Academy of Natural Sciences of Philadelphia,
[1989]
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| 叢編: | Tryonia ;
no. 17. Contribution of the Invertebrate Paleontology Section ; 1. |
| 主題: |