About: http://webisa.webdatacommons.org/396492456

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	Those areas are becoming important sources of oil and gas liquids" such as butane and propane, which fetch higher prices than natural gas.
http://www.w3.org/ns/prov#wasQuotedFrom	cspnet.com