About: http://webisa.webdatacommons.org/147436817

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	This technique requires infrastructure such as wells and pipelines to get the gas under the ground, and the systems are very remote for research as they can be as deep as 5,000 to 20,000 feet underground.
http://www.w3.org/ns/prov#wasQuotedFrom	environmentalresearchweb.org