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Copper Mine

from level 9


Origin: Intermediate Buildings


Level 1 2 3
Appearance
Build Cost 30
45
50 150
Build Time 3 minutes 2.30 minutes 5 minutes
Production 1 = 1 2 = 2 3 = 3
Level 4 5 6
Appearance
Build Cost 300 500 50
Build Time 7.30 minutes 10 minutes 10 minutes
Production 4 = 4 5 = 5 6 = 6
Production Time 3 minutes

Immediately Upgrade a Building:

Level 1 2 3 4 5 6
Cost 4 25 74 149 248 135