Túnel de Antracita
| Site: | Canteras de cenizas |
| Landform: |  Cueva |
| Difficulty: | 20 |
| Risk Level: | |
| Skills: | Cueva - 5 Extracción - 10 |
Task groups
Extracción de carbón
| Ratio | Task | Result | Difficulty | Duration | Components |
| 100% |  Extraer antracita | | 22 | 00:30:00 | |
| 40% |  Extraer coque | | 26 | 00:45:00 |