Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Chase Group  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Paleozoic | |
| ...Permian | |
| ....Chase Group | |
| RT | Oklahoma |
| Nebraska | |
| Kansas | |
| Fort Riley Limestone | |
| Wreford Limestone | |
| SN | Includes Odell Formation, Nolans Formation, Wreford Limestone, Matfield Shale, Doyle Shale, Winfield Limestone, Herrington Limestone, Fort Riley Limestone and Barneston Limestone. E Kansas, N central Oklahoma, and SE Nebraska. |