Lord Emsworth
Emperor
CivComplete has all three version up-to-date. There is Civ3 "Vanilla", there is Play the World, and there is Conquests. No need to apply any patches.
A forest will replace irrigations and mines. But it won't replace roads and railroads, those will remain.
The short answer is: Micromanage your workers. Especially in the beginning of the game it is incredibly important to have your workers make the right stuff in the right places.
- PS: I've been reading the manual and it mentions workers can reforest a tile after making an improvement like irrigation. Does a road or forest layer onto the previous irrigation modifier, or does it just replace it?
A forest will replace irrigations and mines. But it won't replace roads and railroads, those will remain.
Should I automate all my workers, or micromanage them? (My friend says automate, but they don't seem to do the best thing always).
The short answer is: Micromanage your workers. Especially in the beginning of the game it is incredibly important to have your workers make the right stuff in the right places.