Clue | Source | Date |
---|---|---|
Veins, e.g. | New York Times | 20 Dec 2024 |
Rock groups? | New York Times | 19 Jun 2015 |
Rock groups? | ||
Some natural resources | ||
Valuable veins | ||
Ore sources | ||
Places to find some gems | ||
Prospectors goal | ||
Miners' finds | ||
Miners' finds | ||
Gold and silver | ||
Ore sources | ||
Lodes |