Related Clues:

• Nev. neighbor
• Badly chafed
• Old ideological rival
• See 9-Down
• It's pursued in vein
• See 63-Across
• Inflamed
• It may be picked
• Checkers color
• Like Chianti
• Miner's quarry
• Source of iron
• It may have a silver lining
• Tram filler
• It's fine for a refinery