About: http://webisa.webdatacommons.org/173949406

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	These systems are good enough in fair weather, but during hours of darkness and limited visibility due to snow or other causes, the visible tip-up cannot be easily seen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com