chert and flint: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: Kevin McAleese - Ramah Chert. | May 05, 2014 | ||
| Added new Web site: Mindat - Chert. | Oct 24, 2007 | ||
| Added new Web site: Watersheds.org - Chert. | Sep 10, 2007 | ||
| Added new Web site: Kevin McAleese - Ramah Chert. | Sep 10, 2007 | ||
| Added new Web site: Bureau of Economic Geology - Chert. | Sep 10, 2007 | ||
| Added new Web site: National Park Service - Chert. | Sep 10, 2007 | ||
| Article revised and updated. | Dec 08, 2006 | ||
| Article added to new online database. | Jul 20, 1998 |
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