<http://webisa.webdatacommons.org/prov/406951211>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/232831148> .
<http://webisa.webdatacommons.org/232831148>	<http://www.w3.org/ns/prov#value>	"What happened to all the copper and other ores?" .
<http://webisa.webdatacommons.org/232831148>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackexchange.com> .
<http://webisa.webdatacommons.org/232831148>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .