Related Clues:

• See 9-Down
• It's pursued in vein
• See 63-Across
• It may be picked
• Miss America accessory
• Princess' headgear
• Miner's quarry
• Source of iron
• It may have a silver lining
• Tram filler
• Ore site
• It's fine for a refinery
• Bonanza
• Beauty's crown
• Pay dirt