<http://webisa.webdatacommons.org/prov/430313179>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/100971878> .
<http://webisa.webdatacommons.org/100971878>	<http://www.w3.org/ns/prov#value>	"The investigating apparatus 10 can comprise any type of exploring instrument that sends electrical signals to the surface of the earth, such as for example, those tools utilized in the logging services commonly known as electrical logging, sonic logging, nuclear logging, etc." .
<http://webisa.webdatacommons.org/100971878>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/100971878>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .