Related Clues:
- Most hot
- Extremely intense training in river's heading for trouble
- River disease is most serious
- Weapon held by Europe and America with most enthusiasm
- Most discerning river bug
- Profoundest
- Least shallow river -- nuisance going under
- Most intense river disease
- River vermin furthest down
- Flower with blight -- that's most serious
- With stream flowing, it's most relaxing
- Most low
- Most mysterious bug seen by river
- "The First Cut is" this?
- Like the far end of a pool