The Rusviet Iron Mine can only be built if the Iron Mine is destroyed and the Iron Mine Site is empty. It can be upgraded to a Big Rusviet Iron Mine so it will produce more Iron. Functionally it is no different than Polanian or Saxon Iron Mines.
The Rusviet Iron Mine can only be built if the Iron Mine is destroyed and the Iron Mine Site is empty. It can be upgraded to a Big Rusviet Iron Mine so it will produce more Iron. Functionally it is no different than Polanian or Saxon Iron Mines.