Related Clues:

• It may be found in a riverbed
• Glacial sand deposit
• Ridge formed by glacial streams
• Silt
• Sandy ridge
• Lees
• Settled matter
• Wine-bottle contents
• Serpentine ridge
• Residue
• Glacial formation
• Dregs, e.g.
• Stuff that settles to the bottom
• I'm nested in mud
• Particles that settle on the bottom of river or wine