economic geology: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: USGS Publications Warehouse - Economic Geology. | Jan 22, 2020 | ||
| Add new Web site: Academia - Economic Geology by Walter L.Pohl. | Feb 28, 2016 | ||
| Add new Web site: USGS Publications Warehouse - Economic Geology. | Feb 28, 2016 | ||
| Article added to new online database. | Jul 20, 1998 |
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