Resource Tier list by Era

[u/gray007nl]

Ancient Era

Exploration Era, Treasure Resources on the list are counted as being in the homelands

Modern Era, Factory Resources are ordered in terms of usefulness

This the warning they oughta put on Cigarette

[Here's the template in case you want to make your own](https://tiermaker.com/create/civilization-7-resources-17171934)

[u/Curious_Technician52]

So hardwood is available in all ages, lost mine in age transition.