About: http://webisa.webdatacommons.org/296440183

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	Some minerals, such as high-grade iron ore, phosphate, mercury, and zinc, have been exported since the early 1970s.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org