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| Devonian - Chattanooga black shale (2) |
| Geology -- United States --Maps (2) |
| Geology--Tennessee--Maps (2) |
| Silurian - Rockwood formation; Chickamauga limestone; Knox dolomite (2) |
| Carboniferous - Walden sandstone; Lookout sandstone; Bangor limestone; Fort Payne chert (1) |
| Carboniferous - Walden sandstone; Lookout sandstone; Bangor sandstone; Fort Payne chert (1) |
| Geology--Alabama--Maps (1) |
| Geology--Georgia--Maps (1) |