About: http://webisa.webdatacommons.org/78944927

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	Bitumen is sometimes said to be a form of crude oil, but it cannot be sold as such without upgrading.
http://www.w3.org/ns/prov#wasQuotedFrom	ablawg.ca