1. 十万分一圖 ギルバート諸島 -- 1:100,000 Girubāto shotō, Maps Index Datasets Stanford University Public content 1943. Stanford Geospatial Center. This polygon shapefile is an index to the map series, '十万分一圖 ギルバート諸島 -- 1:100,000 Girubāto shotō.' This map series was originally produced by the J... Stanford Digital Repository.