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DF Gameplay Questions / Re: A Couple of [noob] Questions
« on: March 25, 2009, 04:50:10 pm »I think you NEED an actual cave rive to grow tower caps, a river diverted underground wont help. You can still use it for irrgation, it just wont grow trees.
This is correct. The game checks for if you've found an underground river/pool or not. If you don't have one, you can't get tower caps, if you do have one, any water you put underground can form it, not just water from the underground river.