Title on map: Niigata-shi jissokuzu. Cover title. Lithograph. In Japanese. Oriented with north to the upper right. Relief shown by hachures. Includes preface, 7 insets showing depth of the harbor and the physical development of the harbor from Genroku 16 [1704] to Meiji 17 [1885], chart of flags indicating sounding depths, and legend. Includes afterword on cover. Includes text explaining survey process completed in 1891. 1 map: col.; 85 x 57 cm., folded in cover 22 x 16 cm.