Sanbō Honbu. Relief shown by contours and spot heights. Military grid. Sheets cover 20ʹ of latitude and 15ʹ or 30ʹ of longitude. Index to adjoining sheets in margin. Set not completed. In Japanese.
Image from the Map Collections courtesy Stanford University Libraries. If you have questions, please contact the Branner Earth Science Library & Map Collections at brannerlibrary@stanford.edu.