Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Ogallala Formation  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Neogene | |
| ....Ogallala Formation | |
| RT | Pliocene |
| Miocene | |
| New Mexico | |
| Wyoming | |
| Oklahoma | |
| Colorado | |
| Nebraska | |
| Texas | |
| Kansas | |
| Ash Hollow Formation | |
| Ogallala Aquifer | |
| Valentine Formation | |
| SN | Includes Burge Sands, Valentine Beds, Ash Hollow Member, Kimball Member. NE Colorado, W and central Kansas, W Nebraska, E New Mexico, W Oklahoma, NW Texas and SE Wyoming. As of 1989, use Ogallala Aquifer for hydrogeological discussions. |