Related Clues:
- GP moves cautiously and cleans out bed
- Director general welcomes the German back from Spain to do some work on ocean liner?
- Clean a canal, say
- Deepen a canal, in a way
- Clear a river bed
- Director general welcomes the German back from Spain to do some work on ocean liner
- Earth-scooping machines
- To sprinkle with sugar is a drag
- ___ up (unearths)
- Deepen a waterway delta and river bank?
- Unearth, with "up"
- Make a lake much deeper
- Seafloor-scooping machine