About: http://webisa.webdatacommons.org/360384940

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	Once the miners reached their destination, they filled the tunnel, sometimes called a sap, with tar-soaked beams, branches, and other flammable material that was set on fire.
http://www.w3.org/ns/prov#wasQuotedFrom	historynet.com