About: http://webisa.webdatacommons.org/183122011

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	A dwarf signal is a fixed low signal located at the entrance of a route or block used to govern trains entering
http://www.w3.org/ns/prov#wasQuotedFrom	tsb.gc.ca