About: http://webisa.webdatacommons.org/96886458

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	However, other types of markers, such as other types of liquids, flags and stakes are also used, and different visual or other characteristics of the marker are used for representing different types of underground utility lines.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com