| Clue | Source | Date |
|---|---|---|
| Transport for metallic rock | Universal | 29 Mar 2025 |
| Coal carrier | New York Times | 05 Sep 2023 |
| One taking a lode off? | New York Times | 08 Jul 2023 |
| It's loaded near a lode | Universal | 02 Jul 2022 |
| Miner’s conveyance | Wall Street Journal | 24 Apr 2021 |
| Mine vehicle |