About: http://webisa.webdatacommons.org/182796314

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	Various piering systems are currently in use for this purpose, and utilize piers of varying configuration and materials including wood, concrete, reinforced concrete, steel pipe, and steel bar stock.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com