About: http://webisa.webdatacommons.org/430004386

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	Prior to 2000, low production gas wells were completed in the Marcellus shale, which is found in New York, Pennsylvania and other states that are part of the Appalachian Basin.
http://www.w3.org/ns/prov#wasQuotedFrom	rigzone.com