About: http://webisa.webdatacommons.org/448227013

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	Acid rain is a problem that is both severe and widespread in PA said William Sharpe, professor of forest hydrology at Penn State University.
http://www.w3.org/ns/prov#wasQuotedFrom	gasp-pgh.org