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lapillus: References & Edit History
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- igneous rock
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: Tephra fall from Mt St. Helens. | Jan 21, 2020 | ||
| Add new Web site: ThinkQuest - Lapillus. | Apr 13, 2012 | ||
| Media added. | Aug 14, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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