| Answer | Crossword Clue |
|---|---|
| PLATTE | Iowa-Missouri river |
| SIOUXCITY | Iowa port on the Missouri River |
| SIOUANS | Iowa and Missouri |
| OTOE | Kin of the Iowa and Missouri |
| OTOE | Nebraska county that borders Iowa and Missouri |
| OTOE | Tribe related to the Iowa and Missouri |
| OMAHA | It's across the Missouri from Council Bluffs, Iowa |
