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Erlingfolia montana (HC57).jpg - TyRex Paleobotany
Bulletin of the Geological Society of America (1899) (20263659378).jpg - SteinsplitterBot
Fossils are difficult to see in Wind Cave because other formations usually cover them up. Brachiopods are shellfish that were (5ba44887-c699-4ba6-8bee-fcbb0f38d114).jpg - BMacZeroBot
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