About: http://webisa.webdatacommons.org/123721330

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	Make Harbor tooltip consistent with other buildings such as Markets and Banks (they all say ???additional 1 Gold??? instead of 2 gold ??? this is then multiplied by 2 before the final gold amount is listed for a SEA trade route).
http://www.w3.org/ns/prov#wasQuotedFrom	pastebin.com