Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Roxana Silt  | |
|---|---|
| BT | Chronostratigraphic Units |
| .Phanerozoic | |
| ..Cenozoic | |
| ...Quarternary | |
| ....Pleistocene | |
| .....Roxana Silt | |
| RT | Kentucky |
| Illinois | |
| SN | SW Illinois and W Kentucky. Added to Thesaurus in 1989. |