| Answer | Crossword Clue |
|---|---|
| OTTAWA | Major tributary of the St. Lawrence |
| OSAGE | Major tributary of the Missouri |
| ARKANSAS | Major tributary of the Mississippi |
| CARTIER | Discoverer of the St. Lawrence |
| GASPE | Bay of the St. Lawrence. |
| LOCKS | Parts of the St. Lawrence Seaway |
| CARTIER | Discoverer of the St. Lawrence, 1534. |
| ERIE | Lake of the St. Lawrence Seaway. |
| PEI | Prov. in the Gulf of St. Lawrence |
| ENE | General dir. of the St. Lawrence River |
| ILES | Tracts of land in the St. Lawrence. |
| UBOAT | Raider in the battle of the St. Lawrence |
| ANTICOSTI | Large island in the Gulf of St. Lawrence. |
| PEI | Canadian prov. in the Gulf of St. Lawrence |
| THOUSANDISLANDS | Group of about 1,500 in the St. Lawrence River |
