<http://webisa.webdatacommons.org/prov/220144739>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/285037688> .
<http://webisa.webdatacommons.org/285037688>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<epa.gov> .
<http://webisa.webdatacommons.org/285037688>	<http://www.w3.org/ns/prov#value>	"Hydraulic fracturing is a process that drills vertical and horizontal cracks underground that help withdraw gas, or oil, from coalbeds, shale and other geological formations." .
<http://webisa.webdatacommons.org/285037688>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .