Related Clues:
- Search the riverbed
- Sprinkle, deepen
- Clear river bottom
- Heading for dentist, Reginald heard instrument excavating canal?
- Sprinkle flour
- Scraper of muck from verge by turning of road
- What might shift a sleeping elephant?
- E.g. Livingstone with border to explore
- Sprinkle with flour
- Sharpness shown by doctor -- one deals with a lot of rubbish
- Farm animal, sleepy type in tractor
- River-bed clearer
- Construction-site tractor
- Dig out mud (from a river, harbour, etc)
- Large powerful tractor for flattening ground