Public domain
Excerpts from the Diary of the Dredging of the Sanjūkenbori and Yokogawa Canals and the Construction of Riverbanks, Vol. 9
From the collection of National Diet Library, Japan. Free to download, adapt and use — no permission needed.
Subjects
Credit line三十間堀横川共浚并河岸築立日記摘書 巻9. National Diet Library, Japan. Public domain.