About: http://webisa.webdatacommons.org/262938258

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	Finally, dilute aqueous solutions such as ground water which is already contaminated need to be purified.
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov