| Answer | Crossword Clue |
|---|---|
| LENA | Longest river of Siberia. |
| LENA | River of Siberia. |
| ONON | River of Siberia. |
| LENA | River of Siberia |
| LENA | Long river of Siberia. |
| LENA | Easternmost river of Siberia. |
| OLENEK | Long river of Siberia. |
| LENA | Long river of Siberia |
| YANA | 750-mile river of Siberia. |
| LENA | 3,114-mile river of Siberia. |
| LENA | 3,000-mi. river of Siberia. |
| IRTISH | 2,250-mile river of Siberia. |
