Related Clues:

• Where the vein is
• Go for the gold?
• Coal hole
• Harbor hazard
• Source of 37-Across
• Go for the gold, maybe
• Harbor danger
• Sow's squeal
• Arnold's comment on "Green Acres"
• Get the gold?
• Barnyard sound
• Get the lead out?
• Sty cry
• Seven Dwarfs' workplace
• Salt source