| Answer | Crossword Clue |
|---|---|
| ORINOCO | River arising in the Guiana Highlands |
| DEE | River in the Highlands. |
| nickpoint | a break of slope in a river profile, esp where a new curve of erosion arising from rejuvenation intersects an earlier curve also KNICKPOINT |
| knickpoint | a break of slope in a river profile, esp where a new curve of erosion arising from rejuvenation intersects an earlier curve also NICKPOINT |
| knickpoints | KNICKPOINT, a break of slope in a river profile, esp where a new curve of erosion arising from rejuvenation intersects an earlier curve also NICKPOINT |
| nickpoints | NICKPOINT, a break of slope in a river profile, esp where a new curve of erosion arising from rejuvenation intersects an earlier curve also KNICKPOINT |
