| Answer | Crossword Clue |
|---|---|
| MASSENA | St. Lawrence Seaway city. |
| DULUTH | St. Lawrence Seaway terminus |
| ERIE | Lake of the St. Lawrence Seaway. |
| ASHTABULA | St. Lawrence Seaway port of entry |
| LOCKS | Parts of the St. Lawrence Seaway |
| MONTREAL | St. Lawrence River city |
| QUEBEC | City on the St. Lawrence. |
| SOREL | City on the St. Lawrence. |
| SOREL | City on the St. Lawrence |
| QUEBEC | City on the St. Lawrence |
| QUEBEC | City on the St. Lawrence River |
| SOREL | Canadian city on the St. Lawrence |
| LACHINE | Quebec city on the St. Lawrence |
