About: http://webisa.webdatacommons.org/32207966

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	Retaining walls are made of various materials such as concrete, solid masonry, wood ties, bricks and blocks of stone and concrete.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es