Dancing Hoskuld
Deity
"stone artifacts" are only mentioned in the pedia sections of the text not in any used part of the XML. If you mean "stone tools" and other tools, they were introduced when three modders were working on a project but we found a better way of doing what was wanted. They were left in as potentially part of the proposed equipment for workers.
Other resources like carcass are there to better model trade networks beyond what Civ IV offers.
Other resources like carcass are there to better model trade networks beyond what Civ IV offers.