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| Carboniferous - Calaveras formation (1) |
| Cretaceous - unnamed strata (1) |
| Geology -- California -- Alpine County -- Maps (1) |
| Geology -- California -- Amador County -- Maps (1) |
| Geology -- California -- Calaveras County -- Maps (1) |
| Geology -- California -- Tuolumne County -- Maps (1) |
| Geology -- United States --Maps (1) |
| Neogene - unnamed strata (1) |