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Enlarge mines and build extensive railroad
network for them V, VI, VII
| Location: |
Mine |
| Availability: |
Becomes available after advancing to the 18th century. |
| Action: |
After accomplishing this upgrade (levels
V/VI/VII), you will be able to send more peasants to the mine (+12/+15/+40 workers, a total of 40/55/95 workers respectively) and increase the extraction of this specific deposit. Enlarge and build extensive railroad networks in each particular mine to upgrade it. |
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