| Answer | Crossword Clue |
|---|---|
| OHIO | Allegheny plus Monongahela |
| OHIO | Allegheny + Monongahela |
| OHIO | Allegheny-Monongahela confluence |
| CONFLUENT | Like the Allegheny and Monongahela |
| OHIO | River formed by Allegheny and Monongahela. |
| OHIO | The Allegheny and Monongahela join to form it |
| PITTSBURGH | City at the confluence of the Allegheny and Monongahela rivers |
