Adds underground mines, randomly extracting all ores that can be mined without fluid input.
Mods introducing new content into the game.
New Ores and resources as well as machines.
Ive made a 2.0 version of this here https://mods.factorio.com/mod/DeepMine2 if anyone wants to use it. Optera if you ever want to take it back over just let me know and ill be happy to take it down
