About: http://webisa.webdatacommons.org/418786927

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	U.S. imports from South Africa in 1991 were mostly platinum group metals, ferrochromium, ferromanganese, ferrosilicon, manganese, chrome ore and other minerals, and diamonds and other gemstones.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu