Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Willamette River  | |
|---|---|
| BT | United States |
| .Oregon | |
| ..Willamette River | |
| RT | Columbia River |
| Willamette Valley | |
| SN | Tributary of the Columbia River NW Oregon. Indexed with counties as applicable. Added to Thesaurus in 1985. |
| Willamette River valley | |
|---|---|
| USE | Willamette Valley |