Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Smoky Hill Chalk Member  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Mesozoic | |
| ...Cretaceous | |
| ....Upper Cretaceous | |
| .....Smoky Hill Chalk Member | |
| RT | New Mexico |
| Colorado | |
| Kansas | |
| South Dakota | |
| Niobrara Formation | |
| SN | Of Niobrara Formation. E Colorado, W Kansas, NE New Mexico, and SE South Dakota. |