Related Clues:

• Coal hole
• Harbor hazard
• Source of 37-Across
• Go for the gold, maybe
• Harbor danger
• Tug tow
• Rectangular boat
• Boat for hauling
• Get the gold?
• Get the lead out?
• Flat-bottomed craft
• Garbage transporter
• Seven Dwarfs' workplace
• Garbage transport
• Salt source