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<http://webisa.webdatacommons.org/392288923>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cleancolumbia.org> .
<http://webisa.webdatacommons.org/prov/110751790>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/392288923> .
<http://webisa.webdatacommons.org/392288923>	<http://www.w3.org/ns/prov#value>	"Researchers have tested 2,300 fish above Grand Coulee Dam for lead, mercury, arsenic, PCBs and other contaminants. - November 20, 2010" .
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