Related Clues:

• Miners pick it out
• Chromite, to chromium
• It's mined, all mined!
• Forty-niner's score
• Extracted asset
• What an open car might hold
• Rock that may yield revenue
• Galena, to lead
• Undergrounddiscovery
• Some hard rock
• Mine car load
• Excavation yield
• ___-Ida (tater tots maker)
• Vein output
• 33rd st