pack ice: References & Edit History
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Article Contributors
Primary Contributors
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Martin O. Jeffries
Research Professor of Geophysics, University of Alaska Fairbanks.
Other Encyclopedia Britannica Contributors
Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: Athropolis - Pack Ice Plugs Up Arctic. | Dec 28, 2015 | ||
| Add new Web site: Athropolis - Pack Ice Plugs Up Arctic. | Sep 18, 2015 | ||
| Media added. | Aug 12, 2010 | ||
| Article thoroughly revised. | Dec 29, 2006 | ||
| Article revised. | May 31, 2002 | ||
| Article added to new online database. | Sep 19, 1998 |
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