| Answer | Crossword Clue |
|---|---|
| ICEDAM | Winter river blocker |
| SNOWDRIFT | Road blocker after a winter storm |
| DAM | River blocker |
| LEVEE | River blocker |
| DIKE | River blocker |
| ICEDAM | Winter river blockage |
| NEVA | Winter Palace river |
| ICEJAM | Winter river obstruction |
| grilse | a young Atlantic salmon returning to its native river to spawn for the first time after one winter at sea |
