The development of geological studies in the Grand Canyon /
| Main Author: | |
|---|---|
| Corporate Authors: | , |
| Format: | Conference Proceeding Book |
| Language: | English |
| Published: |
Philadelphia :
Dept. of Malacology, Academy of Natural Sciences of Philadelphia,
[1989]
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| Series: | Tryonia ;
no. 17. Contribution of the Invertebrate Paleontology Section ; 1. |
| Subjects: |