About: http://webisa.webdatacommons.org/111353036

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	Industrial lines where space was an issue, like mining and even trench systems constructed during WWI, had 12??? or 18??? track.
http://www.w3.org/ns/prov#wasQuotedFrom	freerepublic.com