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Bartonian Stage: References & Edit History
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Article History
Type | Description | Contributor | Date |
---|---|---|---|
Text updating the boundary years for the stage added. | May 01, 2013 | ||
Added Paleogene Period geologic time scale. | Jul 07, 2011 | ||
Article revised and updated. | May 17, 2007 | ||
Article added to new online database. | Jul 20, 1998 |
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