About: http://webisa.webdatacommons.org/196569867

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	In conforming to the requirements of the Antarctic Treaty, of which the United States was a signatory, all irradiated surface material had to be removed from the continent.
http://www.w3.org/ns/prov#wasQuotedFrom	oldsaltblog.com