| Details for "National Geographic Dec 1981" (close window to return to list) | |
| Title | National Geographic Dec 1981 |
| Subtitle | |
| Author | |
| Section | Earth Science |
| Keywords | Vulcanism |
| Notes | Mount St. Helens 2 years later |
| Pub. Year | 1981 |
| Pages | 150 |
| Format | |
| Lib Congress No. | |
| Dewey Decimal No. | |
| ISBN | 0 |
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