About: http://webisa.webdatacommons.org/396606512

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 boreholes 148 and 162 may be filled with a support material such as concrete, for example, and the center 164 of the tunnel excavated.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com