Related Clues:

• Sharp narrow mountain ridge
• Former head of the DHS Tom --
• Fingerprint feature
• Former Homeland Security head
• Glacial aftermath
• Sharp-crested ridge
• Sharp narrow ridge
• Sharp crest
• Oak --, Tenn.
• High-pressure system
• Raised area
• Ragged mountain ridge
• Virtue, to Aristotle
• Blue ___ Mountains
• Glacial formation