About: http://webisa.webdatacommons.org/52527890

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 casing sections, the joints whereby they interlock adjacent casing sections, or both may be filled with a filler, such as a grout or the like, for providing an added measure of strength, durability, and imperviousness to the barrier.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com