What historic site means?
Historic site
Historic site or Heritage site is an official location where pieces of political, military, cultural, or social history have been preserved due to their cultural heritage value. Historic sites are usually protected by law, and many have been recognized with the official national historic site status. A historic site may be any building, landscape, site or structure that is of local, regional, or national significance.
Wilson I Site
It is also known as "Site #24.33, Maine Archeological Survey." The site was added to the National Historic Register in 1992.