About: http://webisa.webdatacommons.org/351873794

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	Geologic exploration uses sealed radiation sources to measure such things as structure and moisture underground.
http://www.w3.org/ns/prov#wasQuotedFrom	lasvegassun.com