<http://webisa.webdatacommons.org/prov/104646645>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456052712> .
<http://webisa.webdatacommons.org/prov/49916369>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/456052712> .
<http://webisa.webdatacommons.org/456052712>	<http://www.w3.org/ns/prov#value>	" Mount Polley mine disposed of arsenic, lead, nickel, selenium, mercury, and other compounds on-site." .
<http://webisa.webdatacommons.org/456052712>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/456052712>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<thinkprogress.org> .