Legends of Alcatraz off on their own accord have all been reported. The Warden's House, now a burnt out shell since the Occupation of Alcatraz, is also reputed to be haunted; during the time of the penitentiary, several guards reported seeing the spectre of a man with mutton-chop sideburns during a party wearing a gray suit and brimmed cap, leaving the room icy cold and extinguishing the fire in the Ben Franklin stove. A phantom lighthouse has also been said to have emerged from the fog of San Francisco bay. Former inmate Leon "Whitey" Thompson, who worked as a guide at Alcatraz for
Alcatraz Island self-determination, in part as a result of the publicity and awareness created by the occupation. The occupation ended on June 11, 1971. The entire Alcatraz Island was listed on the National Register of Historic Places in 1976, and was further declared a National Historic Landmark in 1986. In 1993, the National Park Service published a plan entitled "Alcatraz Development Concept and Environmental Assessment." This plan, approved in 1980, doubled the amount of Alcatraz accessible to the public to enable visitors to enjoy its scenery and bird, marine, and animal life. Today, American Indigenous groups, such as the International Indian Treaty