About: http://webisa.webdatacommons.org/164870696

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	constructed of timber, steel, stone, concrete, sand-filled nylon bags, or other materials, or combinations of
http://www.w3.org/ns/prov#wasQuotedFrom	gpo.gov