About: http://webisa.webdatacommons.org/233317739

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 service grid may include properties, such as the type, length, circumference, and material of the marked underground facility.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com