Related Clues:

• Source of 37-Across
• Go for the gold, maybe
• Get the gold?
• Get the lead out?
• Seven Dwarfs' workplace
• Salt source
• Selfish one's exclamation
• Vein site
• Lode setting
• Bore for ore
• Explosive device
• Submarine danger
• Sweeper's target?
• Possessive declaration
• Place to get the shaft?