In the United States, any lighthouse older than 50 years is designated as a heritage site. This is the most important criteria.
On June 19th, 2007. See this statement in context.
On June 19th, 2007. See this statement in context.
June 19th, 2007 / 12:20 p.m.
Director, Real Property, Safety and Security, Divestiture, Department of Fisheries and Oceans
In the United States, any lighthouse older than 50 years is designated as a heritage site. This is the most important criteria.
See context to find out what was said next.