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Typical Pennsylvanian crinoidal limestone

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Typical Pennsylvanian crinoidal limestone.jpg Typical natives of the Sandwich IslandsThumbnailsTypical radiolariansTypical natives of the Sandwich IslandsThumbnailsTypical radiolariansTypical natives of the Sandwich IslandsThumbnailsTypical radiolariansTypical natives of the Sandwich IslandsThumbnailsTypical radiolariansTypical natives of the Sandwich IslandsThumbnailsTypical radiolarians