About: http://webisa.webdatacommons.org/436149724

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	The largest shale formation in North America is the Marcellus Shale, located in the northeast US, including Pennsylvania and New York, Peterson said.
http://www.w3.org/ns/prov#wasQuotedFrom	icis.com