About: http://webisa.webdatacommons.org/44846941

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	Copper is a commodity - there???s no fundamental difference between copper mined in Australia and copper mined in the US.
http://www.w3.org/ns/prov#wasQuotedFrom	viridia.org