About: http://webisa.webdatacommons.org/321531107

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	tion relates to a geophysical surveying apparatus and method of electrical prospecting and particularly to electrical systems and methods for prospecting subterranean deposits or other sources of oil or gas or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com