About: http://webisa.webdatacommons.org/300837059

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	Oversized rocks and boulders are a substantial worldwide problem in underground mining, surface mining, open pits and quarries, earth moving and allied construction works, and civil demolition projects.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com