Related Clues:
- Extends farther down
- Gets more complicated
- On the way up, rate of travel increases around north-east
- Duke using several points to stifle start of pay increases
- Dredges river enclosures?
- Dredges river locks
- Increases being, in various cases, overdue
- ... shuts up after river goes down
- Resolved cases receive overdue increases
- Becomes less superficial
- Becomes complicated
- Increases speed reversing round inside of bend
- Intensifies, in a way
- Becomes more complex
- Does some dredging