About: http://webisa.webdatacommons.org/313670689

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	As water filters down through these structures, it will pick up contaminants and minerals, including silica.
http://www.w3.org/ns/prov#wasQuotedFrom	freshwatersystems.com