About: http://webisa.webdatacommons.org/164311199

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	After 150 years of mining, gold and other mineral deposits near the surface have been discovered and miners need new tools to explore deeper underground.
http://www.w3.org/ns/prov#wasQuotedFrom	eurekalert.org