| 100% | ENE | 3 | General dir. of the St. Lawrence River |
| 72% | OTTAWA | 6 | Chief tributary of the St. Lawrence River |
| 66% | SSW | 3 | General dir. of the Connecticut River between Vt. and N.H. |
| 57% | OTTAWA | 6 | Major tributary of the St. Lawrence |
| 56% | THOUSAND | 8 | The St. Lawrence River's misnamed ___ Islands |
| 56% | CARTIER | 7 | Jacques —, French explorer who discovered the St Lawrence River, Canada |
| 54% | ONT | 3 | It's on the St. Lawrence River: Abbr. |
| 52% | OTTAUUA | 7 | River to the St. Lawrence |
| 52% | OTTAWA | 6 | River to the St. Lawrence |
| 51% | ENE | 3 | General dir. of Sal Paradise's return trip in "On the Road" |
| 48% | UBOAT | 5 | Raider in the battle of the St. Lawrence |
| 48% | ANTICOSTI | 9 | Island at the mouth of the St. Lawrence |
| 48% | GASPE | 5 | — Peninsula, area of land in E Canada between the St Lawrence River and Chaleur Bay |
| 46% | CARTIER | 7 | St Lawrence River discoverer |
| 45% | THOUSANDISLANDS | 15 | Chain in the upper St. Lawrence River |
| 45% | PEI | 3 | Spot in the Gulf of St. Lawrence |
| 45% | CHAMPLAIN | 9 | Samuel de __, traced the course of the St Lawrence |
| 43% | KILKENNY | 8 | City on the River Nore in Leinster, Republic of Ireland, housing St Canice's Cathedral |
| 43% | ASI | 3 | Start of the St. Ives riddle |
| 43% | ARCH | 4 | Highlight of the St. Louis skyline |
| 43% | ARCH | 4 | Feature of the St. Louis skyline |
| 43% | ELI | 3 | Marrero of the St. Louis Cardinals |
| 43% | ARCH | 4 | Part of the St. Louis skyline |
| 42% | OREMUTAH | 8 | It lies west of the Provo River |
| 42% | EGYPT | 5 | Land of the asp or Nile river |
| 42% | GILA | 4 | Much depleted tributary of the Colorado River |
| 42% | GIST | 4 | General meaning of the matter |
| 41% | PUTNAM | 6 | General Israel of the American Revolution |
| 41% | CARTIER | 7 | Jacques —, French explorer who discovered St Lawrence River, Canada |
| 41% | ALP | 3 | One on either side of the St. Gotthard Pass |