<http://webisa.webdatacommons.org/370342789>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wvgazette.com> .
<http://webisa.webdatacommons.org/prov/458630858>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/370342789> .
<http://webisa.webdatacommons.org/prov/413460012>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/370342789> .
<http://webisa.webdatacommons.org/370342789>	<http://www.w3.org/ns/prov#value>	"Coal mine managers must carefully design and maintain such tunnels to avoid fires, explosions and other disasters." .
<http://webisa.webdatacommons.org/370342789>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .