About: http://webisa.webdatacommons.org/92478668

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 can be constructed from many materials including boulders, landscape timbers, precast concrete blocks, bricks and poured concrete.
http://www.w3.org/ns/prov#wasQuotedFrom	sequimgazette.com