About: http://webisa.webdatacommons.org/200279419

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	The clay used in this type of liner is predominantly Sodium Bentonite, which, when it comes into contact with water or other liquids, will swell to several times its dry volume if not restrained by a confining stress.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es