1. 百万分一南方圖 | 百万分一南方航空圖 -- 1:1,000,000 Nanpōzu | Nanpō kōkūzu, Maps Index Datasets Stanford University Public content 1940 and 1941. Stanford Geospatial Center. This polygon shapefile is an index to the map series, '百万分一南方圖 | 百万分一南方航空圖 -- 1:1,000,000 Nanpōzu | Nanpō kōkūzu.' This map series was originally p... Stanford Digital Repository.