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<http://webisa.webdatacommons.org/prov/220144739>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/221898656> .
<http://webisa.webdatacommons.org/221898656>	<http://www.w3.org/ns/prov#value>	"Hydraulic fracturing is a process that uses pressurized fluid and sand to break open oiland gas-bearing rock up to 2 miles underground." .
<http://webisa.webdatacommons.org/221898656>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<issuu.com> .