Possible Clues:

• Tom has a personal groomer in the underground dead-end
• Subterranean excavation in which animal needs grooming?
• Burial place
• Queen Anne's head groom's burial-place?
• Roman underground terminus?
• Cold current in a vault, one of many here?
• Place to bury queen with a rake!
• Pet grooming device found outside a burial-place
• Underground cemetery for feline with a tool for hair
• Underground excavation used as a burial-place