Special building
Copper Mines
generic_copper_mines_01An important copper mine, providing incredibly profitable copper ore to whoever is lucky enough to own it.
Levels
| Level | Cost | Time | Levies | Garrison |
|---|---|---|---|---|
| 1. Copper Mining Settlement | 485 gold | 1825 d | — | — |
| 2. Copper Mine | 725 gold | 1825 d | — | — |
| 3. Large Copper Mine | 1,100 gold | 1825 d | — | — |
| 4. Copper Mining Complex | 1,640 gold | 1825 d | — | — |
Level 1: Copper Mining Settlement
Province
- Tax+1/month
- Stationed Siege Weapon Effectiveness+15%
County
- Holding Taxes+4%
- Development Growth+2.5%
Province — only if: culture with Cupellation
- Holding Taxes+15%
- Key
generic_copper_mines_01- Cost
- 485 gold
- Construction
- 1,825 days (5 yrs)
- Needs
- castle, city or temple level 1
- Innovation
- Crop Rotation
Level 2: Copper Mine
Province
- Tax+1.75/month
- Stationed Siege Weapon Effectiveness+23%
County
- Holding Taxes+8%
- Development Growth+5%
Province — only if: culture with Cupellation
- Holding Taxes+15%
- Key
generic_copper_mines_02- Cost
- 725 gold
- Construction
- 1,825 days (5 yrs)
- Needs
- castle, city or temple level 2
- Innovation
- Manorialism
Level 3: Large Copper Mine
Province
- Tax+2.5/month
- Stationed Siege Weapon Effectiveness+30%
County
- Holding Taxes+12%
- Development Growth+10%
Province — only if: culture with Cupellation
- Holding Taxes+15%
- Key
generic_copper_mines_03- Cost
- 1,100 gold
- Construction
- 1,825 days (5 yrs)
- Needs
- castle, city or temple level 3
- Innovation
- Windmills
Level 4: Copper Mining Complex
Province
- Tax+6.5/month
- Stationed Siege Weapon Effectiveness+38%
County
- Holding Taxes+16%
- Development Growth+15%
Province — only if: culture with Cupellation
- Holding Taxes+15%
- Key
generic_copper_mines_04- Cost
- 1,640 gold
- Construction
- 1,825 days (5 yrs)
- Needs
- castle, city or temple level 4
- Innovation
- Cranes
Source: game/common/buildings/00_special_mines.txt, game/common/script_values/00_building_values.txt and the English localisation, Crusader Kings III 1.20.0.3.