About: http://webisa.webdatacommons.org/46261516

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	Natural gas generally contains a high percentage of methane, other hydrocarbons such as ethane and propane, and other gases such as nitrogen, helium, carbon dioxide, hydrogen sulfide, and water vapor.
http://www.w3.org/ns/prov#wasQuotedFrom	daviddarling.info