| Answer | Crossword Clue |
|---|---|
| SURA | Tributary of the Volga. |
| OKA | Tributary of the Volga. |
| SAMARA | Tributary of the Volga. |
| KAMA | Chief tributary of the Volga. |
| SURA | 500-mile tributary of the Volga. |
| OKA | 950-mile tributary of the Volga. |
| SURA | 500-mile tributary to the Volga. |
| SURA | 500-mile tributary of Volga. |
| OKA | Largest western tributary of Volga. |
| SURA | 500-mile river, tributary of Volga. |
| OKA | Volga tributary |
| HURA | Volga tributary. |
| OKA | Volga tributary. |
| KAMA | Volga tributary. |
| KAMA | Volga tributary |
| OKA | Volga tributary at Gorki |
| OKA | Volga tributary, 950 miles long. |
