Related Clues:
- Vein containing metal ore
- Vein of metal in the earth
- Rich vein of ore
- A rich supply
- Place with rich metals
- Mineral vein
- Rich mineral find
- Comstock find
- Miner's paydirt
- Source of something valuable
- Vein of ore in a mine
- Productive source, as of knowledge
- Vein pressure reported
- Ore vein
- Rich ore supply