Related Clues:

• Furnace fuel
• Comstock output
• Band of gold?
• See 38-Across
• Barbecue fuel
• Spreadsheet numbers
• Bauxite or hematite
• Mesabi Range yield
• Facts and figures
• Change from a krone
• Food for thought?
• Shade of black
• It lacks refinement
• See 5-Down
• See 6-Across