About: http://webisa.webdatacommons.org/438019759

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	A liner (81) fabricated of concrete, soil cement, bituminous materials, PVC or other smooth and impervious material placed in a shallow ???V??? to direct the released water to the underdrain.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au