About: http://webisa.webdatacommons.org/164589253

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Metals, except for iron and manganese, and other trace constituents generally are not a water-quality problem.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov