Alcatraz Wharf Alcatraz in the 1850s to permit the landing of men and building materials to construct a fort, completed in 1859. In 1867, the "General McPherson" was built to serve the island and other military institutions in the San Francisco Bay Area, as Alcatraz became a long-term military prison from 1868. The steamer towed officers, prisoners and food and water supplies to island between 1867 and 1886, landing at the dock twice daily before being replaced. During the time as a federal penitentiary, a prisoner once attempted to escape on a boat from the boat by dressing as an officer. The
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