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Cryogenian Period: References & Edit History
Article Contributors
Primary Contributors
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John P. Rafferty
John P. Rafferty writes about Earth processes and the environment. He serves currently as the editor of Earth and life sciences, covering climatology, geology, zoology, and other topics that relate to the natural world.
Other Contributors
- Kenneth Wilks
Other Encyclopedia Britannica Contributors
Article History
Type | Description | Contributor | Date |
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Added cross-references. | Jan 27, 2023 | ||
Add new Web site: Paleos - The Cryogenian Period. | Aug 24, 2017 | ||
New article added. |
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Oct 25, 2016 |
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