About: http://webisa.webdatacommons.org/330162198

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	In those days, lead was a valuable resource as it was used to help smelt other ores.
http://www.w3.org/ns/prov#wasQuotedFrom	typepad.com