If you look at the image of the overview map in here you'll see that, even though it's not 1000 it's fairly close to it.
This thread was added on October 02, 2019, with posts from nordentipwel.
Original Post
https://i.redd.it/qvsl7s74nzp31.jpg
Holy shit. You are so awesome.
I have absolutely nothing to do with this but I'll send the "awesome" to the LD who made Underground :)