About: http://webisa.webdatacommons.org/14610841

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	(2) When blasting to an open, vertical face, checking the face for loose, hanging material or other faults prior to loading the blast holes.
http://www.w3.org/ns/prov#wasQuotedFrom	pacode.com