AMS 1. North Decimal Degree 24.700000. South Decimal Degree 24.666667. East Decimal Degree 120.883333. West Decimal Degree 120.850000. Alternate title: Chikunan. In upper left margin: Formosa city plans: 1:8,000. Polyconic projection. Relief shown by contour lines at 10 meter intervals. Place names are transcribed according to the modified Hepburn (Romaji) System. With a glossary. Name has been changed to Chu-nan [Chunan].Compiled from aerial photography dated February 1944 by photo-planimetric method and by reference to Formosa 1:25,000, A.M.S. Sheets 2221-II SE, 1944, and 2221-II SW, 1944; Japanese Imperial Land Survey 1:50,000 Shinchiku, 1929. Additional information from intelligence data.