Related Clues:

• One-time baby duster
• Soapstone, say
• Unwrought iron
• Nugget holder
• Blast furnace material
• Pool-player's powder
• Buried treasure
• Locker room sprinkle
• Driller's discovery
• Prospecting find
• Silver source
• Boxcar cargo, perhaps
• 50-Down member's find
• Soapstone, e.g.
• Lake Oswego st.