Need assistance with.... frontier map

[scholargel]

So, I've had the map for more than 24 hours and have explored a lot of it. The concrete block manufacturing requires cement. Where did you obtain that from? And, in case someone asks, "the concrete production mod" does not export cement, but it does produce the concrete blocks that the on-map plant does.

Also, where do you acquire the limestone for the metal factory? There are a lot of production lines that do not appear to be fully capable.

I searched Google and YouTube for how-tos and guidelines but came up nothing. Any legitimate help would be greatly appreciated.