Village boundaries on Izumo-no-kuni jūgun bunzu Izumo-gun 雲国十郡分図 出雲郡 (1821)
Genroku gōchou 元禄郷帳 (ca. 1700-1702), a list of villages and their assessed productivity by district
Village boundaries on Chiba-ken kannai zenzu 千葉県管内全図 (1883)
Village boundaries on a topographical survey map
A neural net recognizes village boundaries on a topographical survey map.
Manual review corrects and completes the neural net output
Village centers color-coded by district, 1868
Village boundaries with village centers in green. Completed polygons in white, shaded areas require further work
Village locations on Genroku kuni-ezu 元禄国絵図 for Kawachi 河内国 (copy of a ca. 1702 map)
Inō Tadataka's map (1800-1816) overlayed with modern shapefiles for village locations, coastlines, and roads created by Murayama Yūji and his team (Dejitaru Inō-zu デジタル伊能図, 2015)