About: http://webisa.webdatacommons.org/44071255

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	People have used them to locate ore deposits such as gold and silver and have used them as metal detectors at the beach to find stray coins and jewelry.
http://www.w3.org/ns/prov#wasQuotedFrom	parainvestigations.com