Description
The top lane is for iron, the second lane is for copper, the third is for crushed stone, and the fourth is for charcoal
Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
The top lane is for iron, the second lane is for copper, the third is for crushed stone, and the fourth is for charcoal