| Answer | Crossword Clue |
|---|---|
| NEGRO | 1400-mi. river to the Amazon. |
| URAL | 1400-mi. river into the Caspian. |
| NEGRO | 1,400-mi. river into the Amazon. |
| NEGRO | 1,400 mi. river, tributary of Amazon. |
| URAL | 1400-mile river to the Caspian Sea |
| NEGRO | River to the Amazon |
| PURUS | River to the Amazon |
| XINGU | River to the Amazon |
