IRONMINE
| Date | Clue |
|---|---|
| 2022-03-21 | Excavation site for a steelmaker |
| 2015-07-12 | Mesabi Range excavation |
| 2003-07-11 | Mesabi Range excavation |
| Date | Clue |
|---|---|
| 2022-03-21 | Excavation site for a steelmaker |
| 2015-07-12 | Mesabi Range excavation |
| 2003-07-11 | Mesabi Range excavation |