Iron Mine - Official Kingdoms and Castles Wiki
The Iron Mine is a type of Industry building in Kingdoms and Castles. Iron Mines must be built next to an Iron Deposit (brown rocks). You may only place 2 Iron Mines on each deposit. An Iron Mine has a base output of 5 Iron per year. Master workers mine 20% faster for up to 6 Iron per year. Tools increase production by An Iron Mine with Tools, but no Master workers, produces 10 Iron per ...
