| Answer | Crossword Clue |
|---|---|
| ITASCA | Lake ..., Ol' Man River source |
| ITASCA | Ol' Man River's source |
| TESLIN | Lake source of Yukon river. |
| ITASCA | Lake source of Mississippi River. |
| ERIE | Lake ..., source of the Niagara River |
| ERIE | Lake that's the source of the Niagara River |
