That makes sense.

The instructions are fairly unclear, and definitely make it seem like you should be doing the current objective in order to get to these mines.

Hopefully I still have enough iron and steel to actually construct this railway ... don't really fancy starting this one over.
Although ...

So, I've researched the automated railway, and now it wants thousands of various things in my inventory.

I have set everything up to automatically craft my piercing rounds and steel bars and whatnot, but I don't have anywhere near enough Iron ore to craft what is required of me. Am I meant to just ...