About: http://webisa.webdatacommons.org/408718220

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	Surprisingly, nine national parks, including Rocky Mountain National Park, the Great Smoky Mountains and Acadia National Park had dangerous air days this year because of smog blown in from other areas.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com