AMS 1. North Decimal Degree 25.166667. South Decimal Degree 25.116667. East Decimal Degree 121.766667. West Decimal Degree 121.716667. Alternate title: Kiirun. In upper left margin: Formosa city plans 1:10,000. Polyconic projection. Relief shown by spot elevation. Place names are transcribed according to the modified Hepburn (Romaji) System. With a glossary. Name has been changed to Chi-lung or Keelung.Compiled in 1944 from aerial photography dated July and Sept., 1944 by photo-planimetric methods and by reference to U.S. Hydrographic Chart 1908, 1940; Japanese Hydrographic Chart 230, 1936; Formosa 1:50,000, AMS, Sheet 2422-II, 1944, and Formosa, Guide to Taiwan RR, Keeling (Kiirun), 1935. Additional information from intelligence data.