About: http://webisa.webdatacommons.org/34613760

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	Thus there is a considerable amount of clear space for access to the working face or other parts of the mine working.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com