About: http://webisa.webdatacommons.org/400676420

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	Log and Radar Shift Log, pictures of tuning forks with serial numbers and other information, a certification
http://www.w3.org/ns/prov#wasQuotedFrom	state.tx.us