Home | Sites | Formations | Fossils | Types | Resources | Paleomaps | Diagrams | Compare | List | Contact| Weather |
| Group | Formation | State |
|---|---|---|
| None | Barnett Shale |
TX |
| Bend | Smithwick Shale |
TX |
| Bend | Marble Falls |
TX |
| Empty | Empyt |
|---|---|
| Empty | Empty |
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