Related Clues:
- Earth-moving machine
- Cover in flour
- River cleaner
- Dig (up), as information
- Make stronger
- Clean the waterway
- Flour-coat
- Channel maintenance machine
- Sprinkle in flour
- Mud-sucking machine
- Clean out from river bottom or harbour
- Remove earth from under water
- Scoop mud from, say, harbour
- Scoop up mud and silt from harbour bottom
- Clean out the bed of a river or harbour