The underworld of Oregon Caves National Monument /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
[Place of publication not identified] :
Crater Lake Natural History Association,
[1963]
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| Subjects: |
| Physical Description: | 37 pages : illustrations (some color) ; 22 cm. |
|---|---|
| Bibliography: | Includes bibliographical references (page 36). |