| Answer | Crossword Clue |
|---|---|
| OMOLON | 600-mile Siberian river. |
| WHITENILE | 600-mile African river. |
| APURIMAC | 600-mile river in Peru. |
| CHU | 600-mile river in Central Asia. |
| LENA | 2,600-mile river into the Arctic. |
| NIGER | 2,600-mile river flowing into Gulf of Guinea. |
| MEKONG | 2,600-mile-river from Tibet to South China Sea. |
| ILI | 800-mile Siberian river. |
| LENA | 3,000 mile Siberian river. |
| LENA | 3,000-mile Siberian river. |
