<http://webisa.webdatacommons.org/prov/437414494>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/336409430> .
<http://webisa.webdatacommons.org/prov/28556811>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/336409430> .
<http://webisa.webdatacommons.org/336409430>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<usgs.gov> .
<http://webisa.webdatacommons.org/prov/340709779>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/336409430> .
<http://webisa.webdatacommons.org/336409430>	<http://www.w3.org/ns/prov#value>	"Acids, iron, manganese, sulfate, uranium, thorium, radium, molybdenum, selenium, and other trace elements" .
<http://webisa.webdatacommons.org/336409430>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .