Related Clues:

• Underground feature sometimes square
• Elihu --, winner of the 1912 Nobel Peace Prize
• My appeal's thrown out by plant
• The way we hear Genesis
• Grub a factor in foundation
• Rummage (through)
• Dig for truffles
• Sleeping place that lacks sun -- it's underground
• Repeated word in "Take Me Out to the Ball Game"
• Organic anchor
• Noisy course to source
• Hair part
• i, for -1
• Turnip, e.g
• Carrot, essentially