<http://webisa.webdatacommons.org/prov/391717086>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/446234159> .
<http://webisa.webdatacommons.org/446234159>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<utsandiego.com> .
<http://webisa.webdatacommons.org/446234159>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/446234159>	<http://www.w3.org/ns/prov#value>	"Past pipeline explosions have been blamed on such factors as corrosion or damage done by heavy construction equipment." .
<http://webisa.webdatacommons.org/prov/136318001>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/446234159> .