| Answer | Crossword Clue |
|---|---|
| NILE | 3,473-mile river. |
| NILE | 3,473-mile-long river |
| LENA | 3,000-mile Siberian river. |
| LENA | 3,000 mile Siberian river. |
| LENA | 3,114-mile river of Siberia. |
| AMUR | 3,000-mile river of Asia. |
| LENA | 3,000-mile river to Nordenskjold Sea. |
| YANGTZE | 3,430-mile river into East China Sea. |
