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Carboniferous - Calaveras formation (2) |
Cretaceous - unnamed strata (2) |
Geology -- United States --Maps (2) |
Neogene - unnamed strata (2) |
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--California--Maps (1) |
Jurassic - Mariposa formation (1) |