| Answer | Crossword Clue |
|---|---|
| SCIOTO | River into the Ohio. |
| WABASH | River into the Ohio |
| TENN | River into the Ohio: abbr. |
| WABASH | River to the Ohio |
| MIAMI | River to the Ohio |
| PITTSBURGHPENNA | Where the Ohio River begins |
| ALLEGHENY | Principal tributary of the Ohio River |
| CIN | City on the Ohio River: Abbr. |
| ILLINOIS | The Ohio River forms its southern border |
