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| Coal Mining Rationalisation |
|---|
| |
| Coal Mines, Steam Coal Mines and Advanced Coal Mines will be another 10% more efficient. | |
| Tier 4 | |
| Time | |
| Easy | 9 hours |
|---|---|
| Medium | 11 hours |
| Hard | 15 hours |
| Extreme | 17 hours |
| Cost | |
| Prerequisite | Coal Mining Optimisation |
 Wood
|
50 |
 Steel
|
30 |
Coal Mining Rationalisation is one of the Technologies in Frostpunk.