Related Clues:

• Wind
• Easily split rock
• Pipe cleaner
• Sedimentary rock
• Seed on a bagel
• Big Bird's street
• 2001's symbol, in the Chinese calendar
• Moccasin without laces
• Thin layered rock
• Grass denizen
• One source of oil
• Kind of bagel
• Not exactly hard rock?
• Stratified rock
• Mudstone