Related Clues:

• See 12-Down
• Dig it!
• Mine find
• Bonanza find
• Sourdough's find
• Iron man's quest?
• Neighbor of Ida.
• It's found in banks
• Furnace fuel
• Comstock output
• Band of gold?
• See 38-Across
• Barbecue fuel
• Bauxite or hematite
• Mesabi Range yield