| Answer | Crossword Clue |
|---|---|
| RIO | .. Negro: Amazon tributary |
| NEGRO | Amazon tributary |
| ICA | Amazon tributary. |
| NEGRO | Rio ..., Amazon tributary. |
| NANAY | Tributary of the Amazon. |
| NEGRO | Tributary of the Amazon. |
| NEGRO | Goner drowned in Amazon tributary (5) |
| NEGRO | 1,400 mi. river, tributary of Amazon. |
| NAPO | 550-mile river, tributary of the Amazon. |
| NEGRO | 1,400-mi. tributary of the Amazon. |
| MADEIRA | Most important tributary of the Amazon, 2,000 miles. |
