Related Clues:

• Cloud layers
• Miner matters
• Bauxite and bornite
• Mine car contents
• Assayer's studies
• Mine deposits
• Underground deposits
• Unrefined finds
• Borax and bauxite, e.g.
• Lucky strikes?
• Rock layers
• Sources of iron
• Some bank deposits
• Galena and mispickel, e.g.
• Mined matter