Thanks Foodfactorio and Pyanodon for the responses- I wish I'd kept my save file so I could share it with you. I basically had a network of outposts connected by train- and I was trying to build to 1 yellow belt of red circuits (or level 2 circuits) - but I was pretty far from that. I did, however, ...

Heyyy Pyanodon- I was most recently playing with vanilla+allofthepymods and building stuff out with the objective of having a yellow belt of everything. I didn't make it to red circuits before my UPS started to drop. I don't have a "gaming" laptop per se but I do have a pretty high-end bra...

Hey Pyanodon- FNEI is showing me a recipe for limestone from a borer via Excavation 2 - which I know used to be there because I've used it in a previous game. But the research doesn't seem to exist anymore- was that intentional? Is it just an issue with FNEI? Is there really not a way to get limesto...