Related Clues:

• Valuable vein
• Chef's bottleful
• Alberta export
• Newfoundland export
• Well output
• It may hold feathers in place
• Raw metal
• Contents of a lode-bearing wall?
• It's in the pits
• Do road work?
• Quaker State, e.g.
• Source of gold
• Gusher's gush
• Coal byproduct
• Olive __