About: http://webisa.webdatacommons.org/199219618

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	Colliery Working Days - a laytime term describing normal working days of a colliery (coal mine), including those in a strike or other actions.
http://www.w3.org/ns/prov#wasQuotedFrom	tkmglobal.net