America's majestic canyons
| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington
National Geographic Society
1979
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| Subjects: |
| Physical Description: | 207 σ. φωτ. 26 εκ. |
|---|---|
| Bibliography: | Περιέχει βιβλιογραφία και ευρετήριο |