About: http://webisa.webdatacommons.org/244180412

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	Large deposits of tar sands exist in many countries of the world including the United States, Russia and Middle Eastern countries.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalgeographic.com