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Showing below up to 20 results in range #51 to #70.
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- Elviran Stage
- Elwood Formation
- Embayment Megagroup
- Eminence Formation
- Enion Formation
- Eocene Series
- Equality Formation
- Fraileys Shale
- Franconia Formation
- Franconian Stage
- Galena Group
- Gasperian Stage
- Genevievian Stage
- Glasford Formation
- Glenwood Formation
- Golconda Group
- Grand Detour Formation
- Grand Tower Limestone
- Grover Gravel
- Gulfian Series