About: http://webisa.webdatacommons.org/81216025

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	Some clay around 10 percent of the total helps absorb heavy metals, hydrocarbons and other pollutants.
http://www.w3.org/ns/prov#wasQuotedFrom	peninsulaclarion.com