About: http://webisa.webdatacommons.org/209951472

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	It had long been known that auto exhaust was a major contributor to the smog that enveloped most American cities and that killed nearly 400 people in New York in the 1960s.
http://www.w3.org/ns/prov#wasQuotedFrom	onlineathens.com