About: http://webisa.webdatacommons.org/128326991

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	Special instruments can be fitted that measure the earth???s gravity and magnetic field, and geologists can use these surveys to locate oil deposits, gold, diamonds or other resources.
http://www.w3.org/ns/prov#wasQuotedFrom	themudflats.net