Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Upper Mississippi Valley  | |
|---|---|
| BT | United States |
| .Mississippi Valley | |
| ..Upper Mississippi Valley | |
| RT | Iowa |
| Missouri | |
| Illinois | |
| Wisconsin | |
| Minnesota | |
| SN | That part of the Mississippi Valley N of Cairo, Illinois. Indexed with states as applicable. |