| Answer | Crossword Clue |
|---|---|
| SOO | Great Lakes canal |
| SOO | Great Lakes canal. |
| SOO | ... Locks (Great Lakes canal) |
| SOO | Great Lakes canal name |
| ERIE | Canal from the Great Lakes |
| ERIE | Canal connecting the Great Lakes to the Atlantic |
| ERIE | Canal from the Great Lakes to the Atlantic |
| ERIE | Canal from the Great Lakes to the Atlantic Ocean |
| SOOLOCKS | Canal passage connecting Lake Superior and the lower Great Lakes |
