Civilization manualBook 1: From Bare Hands to Steam and Electricity765 entries · 23 phases · 100 years
The Island
Phase 19 — Roads, bridges, flyovers and tall buildings  /  About year 57
19.07

Piled foundations and pile driver ⚠

long piles hammered down to firm ground, under a bridge pier or a tall building

MakingYear 57Stands on 236 earlier

AWhat it needs

Needs 236 other products in all, 4 of them directly.

View

Open a box to see what it needs. A dashed box is a product already drawn in full: click it to jump there. In the org chart, drag to move around.

The step-by-step procedure for this entry has not been written yet.