About: http://webisa.webdatacommons.org/162239645

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	Here, the pilot hole is a drilled hole extending in a straight line or in a curved line and having a bore diameter of approximately 100-300 mm which is drilled in the earth.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com