Hmmmm...I agree Theben. Maybe you can irrigate from the ocean after a certain discovery (like Deslanisation?) I also think Grassland should be irrigatable without a river. That's a very valid point. But hopefully there will be more rivers in Civ 3 due to the LARGER MAP
and therefore grassland will have rivers near by. I don't know if anyone else agrees with that, but it makes sense to me.
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