This fonds contains a property deed, 1910; constitutions for the Grand Harbour Recreational Club (n.d.) and the Grand Harbour Sports Council (ca. 1950); subscription lists as interested groups raised money for building and maintaining the ball diamond (n.d.); and minutes, 1947-1948, of the Grand Harbour Recreational Club.

This collection contains diaries and reports of weather, visitors, the times when the light was lit and turned off, and the length of time operating each day. The records were kept by the Grand Harbour lighthouse keepers from 1949-1960. There are also blank forms of Hand Horn or Fog Bell Returns.

This fonds contains the monthly reports of keepers at Long Eddy fog alarm from 1874-1946. It includes records of the weather, the stores and supplies ordered, the repairs made, and the hours the fog alarm was operating.

This collection consists of newspaper articles, magazine articles, letters, stories, and histories relating to Machias Seal Island lightstation and bird sanctuary. There are articles concerning the boundary dispute between the Canadian and United States governments over ownership of the Island and a computer printout of the International Court of Justice Case Summaries Judgement of 12 October 1984 concerning ownership.