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| Data sets | Publications | Expeditions | Thesaurus |
Haymond Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Carboniferous | |
| ....Pennsylvanian | |
| .....Lower Pennsylvanian | |
| ......Haymond Formation | |
| RT | Texas |
| SN | Overlies Dimple Limestone; underlies Gaptank Formation. Marathon region in Brewster County in SW Texas. |