Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Hennessey Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Hennessey Formation | |
| RT | Oklahoma |
| SN | Overlies Wichita Group and underlies Duncan Sandstone, or Flowerpot Shale, where the Duncan is absent. Central and SW Oklahoma. |