About: http://webisa.webdatacommons.org/320235065

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	Hydraulic fracturing or fracking is a controversial means of extracting natural gas or petroleum from subterranean shale by using pressurized water with chemical to break open the shale formations.
http://www.w3.org/ns/prov#wasQuotedFrom	spacedaily.com