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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) |