| Answer | Crossword Clue |
|---|---|
| ROGUE | River of Oregon |
| SNAKE | River forming much of the Oregon-Idaho border |
| SANTIAM | Oregon river |
| PLATTE | Oregon Trail river |
| COOS | Oregon bay or river |
| COOS | Oregon river or bay |
| PLATTE | River along the Oregon Trail |
| NYSSA | Oregon town on Snake River. |
| PLATTE | River followed by the Oregon Trail |
| SALEM | Oregon capital,on the Willamette River. |
