<http://webisa.webdatacommons.org/295799508>	<http://www.w3.org/ns/prov#value>	"Waste rock from phosphorite mining in the area contains selenium, cadmium, vanadium, and other metals." .
<http://webisa.webdatacommons.org/prov/360883473>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/295799508> .
<http://webisa.webdatacommons.org/prov/362212882>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/295799508> .
<http://webisa.webdatacommons.org/295799508>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usgs.gov> .
<http://webisa.webdatacommons.org/295799508>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .