1:25,000 chikeizu.
Kokudo Chiriin.
Japan.Rikuchi Sokuryōbu.
Japan.Rikugun.Sanbō Honbu.
Chiri Chōsajo.
[Tokyo] : Kokudo Chiriin,
[193-?]-
Relief shown by contours, spot heights, and landform drawings.
Sheets issued  published by Rikuchi Sokuryōbu;  published by Sanbō Honbu;  published by Chiri Chōsajo;  published by Kokudo Chiriin.
Includes various editions of some sheets.
Includes boundary diagram and index to adjoining sheets.
Some sheets include ancillary maps.
Graphic index of holdings with maps.