The map generator is hard to see some good stuff sometimes. You would not likely spot this in it; its due east of the spawn. Perhaps it is what you seek, I set up shop there 5 min after finding it, its really good. As a bonus the deer and pigs and dwarves leave a pile of loot every morning from their war with the plains guys -- it takes 2 trips per morning to clean up the yard... Also, warning, the spot I set up shop is a Drag Village, so you have to be able to clear that to make use of it, which is probably fine if you wanted plains anyway. Its right on a continent, though, so if that part is critical it won't work for you.

Q2W3E4R50
https://steamcommunity.com/sharedfiles/filedetails/?id=2779843178
https://steamcommunity.com/sharedfiles/filedetails/?id=2779843185