Alcatraz Island Lighthouse island (they collected eggs from the large flock of birds that regularly gathered there), Alcatraz got its name in 1775 only when Juan de Ayala, a Spaniard was engaged to survey the harbor and the San Francisco Bay. Since he observed pelicans in large numbers on the island he named the island as "Isla de los Alcatraces" meaning the "Island of Pelicans". The island is separated from the main land by more than . The gold rush and the inherent risk of the choppy waters of the west coast prompted the urgent need for establishing lighthouses. Congress recognized the need
Alcatraz Hospital Alcatraz Hospital Alcatraz Hospital is a defunct hospital which was located on Alcatraz Island, California, US. It began operations in the 19th century while the United States Army operated Fort Alcatraz and continued to provide services after the transition to the Alcatraz Federal Penitentiary. Though Alcatraz is now part of the Golden Gate National Recreation Area, the hospital is not included on the general tour. In 1870, the military hospital had ten beds, as well as tables, chairs, washstands, a dumbwaiter, and a closet. Measuring , it was heated by coal stoves. It was expanded in the late 19th century.