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| Bell Canyon, Montana (1) |
| Big Sheep Creek, Montana (1) |
| Camptotriletes paprothii (1) |
| Clark Canyon, Montana (1) |
| Conover Ranch, Montana (1) |
| Convolutispora ampla (1) |
| Early Carboniferous (geological period) (1) |
| flora (1) |
| fossil collection (1) |
| Fossilized plants (1) |