Related Clues:

• See 38-Across
• Bauxite or hematite
• Mesabi Range yield
• Change from a krone
• Playbill listing
• It lacks refinement
• See 5-Down
• Some can dig it
• Cameo, say
• Valuable rocks
• It's found in the ground
• Profitable extraction
• Capacity
• Lucky strike
• Tramload