File:Fort Mears Stockade Guard Tower.jpg

Historic American Buildings Survey, Creator, and Office Of The Quartermaster General. Naval Operating Base Dutch Harbor & Fort Mears, Stockade, Unalaska, Aleutian Islands, AK. Alaska Aleutian Islands Unalaska, 1933. Documentation Compiled After. Photograph. Retrieved from the Library of Congress, https://www.loc.gov/item/ak0163/. (Accessed May 26, 2017.)