About: http://webisa.webdatacommons.org/102466367

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	- All resources except iron are now available (if you can put the improvement on) at their discovery tech.
http://www.w3.org/ns/prov#wasQuotedFrom	civfanatics.com