Viking: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Media added. | Mar 04, 2021 | ||
| Modified title of Web site: NASA - Viking Mission Overview. | Aug 12, 2019 | ||
| Photograph of Viking lander added. | Dec 12, 2011 | ||
| Added new Web site: NASA - Viking Mission Overview. | Nov 07, 2006 | ||
| Article revised. | Jul 09, 2004 | ||
| Article added to new online database. | Jul 20, 1998 |
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