| Answer | Crossword Clue |
|---|---|
| PRILL | Rich copper ore. |
| PRILL | Rich copper ore |
| MALACHITE | Copper-ore source |
| BORNITE | Valuable ore of copper. |
| TILEORE | Kind of copper ore. |
| LODE | Rich ore supply |
| LODES | Rich ore sources |
| LODES | Ore-rich deposits |
| LODES | Rich ore deposits |
| LODE | Ore-rich vein |
| IRONRANGE | Ore-rich region |
| LODE | Rich supply of ore |
| LODE | Rich vein of ore |
| LODE | Rich source of ore. |
| MOTHERLODE | Rich vein of ore |
| MESABI | Minnesota's ore-rich range |
| IRONRANGE | Ore-rich region in Minnesota |
| MESABI | Ore-rich range in Minnesota. |
