Bootstrapping Pig Iron

It seems like metal is an essential mid-game ingredient. I can't even make locks for my stick fence
Do I really need to buy bars of iron for silver to bootstrap metalworking? It seems I have to for the mine and smelter.

qbradq wrote:It seems like metal is an essential mid-game ingredient. I can't even make locks for my stick fenceDo I really need to buy bars of iron for silver to bootstrap metalworking? It seems I have to for the mine and smelter.