百万分一航空圖 [東亞] -- 1:1,000,000 Kōkūzu [East Asia], Maps Index

This polygon shapefile is an index to the map series, '百万分一航空圖 [東亞] -- 1:1,000,000 Kōkūzu [East Asia]' (1937-1939). Stanford University Libraries holds a large collection of Japanese military and imperial maps, referred to as gaihōzu, or 'maps of outer lands.' These maps were produced starting in the early Meiji (1868-1912) era and the end of World War II by the Land Survey Department of the General Staff Headquarters, the former Japanese Army. This layer provides an index map that can be used to locate individual scanned map sheets.