BackArrowGreen Back to the Tile improvements in Civ4

A Mine is a tile improvement that can be built by Workers immediately upon the discovery of Mining. A mine adds 2 Hammer (Civ4) to its tile. Mines may be created on all hills, and on flatland tiles that have resources which are unlocked by mines.

When a Mine is worked, and it is not already on a resource tile, there is a small chance every turn that it will discover a new resource. A civ must have the tech unlocking a resource to gain it via a discovery.

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