1. サイパン島及テニアン島 | 五万分一陸海偏合圖 -- Saipantō oyobi Teniantō / 1:50,000 rikukai hengōzu, Maps Index Datasets Stanford University Public content 1944. Stanford Geospatial Center. This polygon shapefile is an index to the map series, 'サイパン島及テニアン島 | 五万分一陸海偏合圖 -- Saipantō oyobi Teniantō / 1:50,000 rikukai hengōzu.' This map ser... Stanford Digital Repository.