Related Clues:
- Assaying samples
- You can dig 'em
- Prospectors quarry
- Rock bands of a sort
- Lode finds
- Holders of buried treasures
- Certain bank deposits
- Contents of some ledges
- Magnetite and others
- Galena and bauxite, for two
- Some tram loads
- Excavation sites
- Sought-after rock group?
- They're all mined
- They're mined for metal