planation surface: References & Edit History
Additional Reading
See George F. Adams (ed.), Planation Surfaces: Peneplains, Pediplains, and Etchplains (1975).
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Updated geologic time data. | May 25, 2010 | ||
| Geologic time data updated. | Sep 11, 2009 | ||
| Article added to new online database. | May 04, 1999 |
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