Near Umedo Tunnel‐1
![](https://gkbn.kumagaku.ac.jp/minamata/wp-content/themes/minamata/image/marchives/konjyaku/main/past/past_60.jpg)
![](https://gkbn.kumagaku.ac.jp/minamata/wp-content/themes/minamata/image/marchives/konjyaku/main/now/now_60.jpg)
- An office of Senko Unyu near Chisso Umedo Tunnel. Phosphate rocks (raw material for phosphate fertilizer) were piled up on the left. Umedo Port can be seen in the background.
- The present scenery around Chisso Umedo Tunnel. The office has been demolished. At the site stands a monument celebrating the birthplace of Senko Unyu.
Reference sources
- The Edo Period:
The Picture Map of Ashikita-gun, Collection of Kumamoto Gakuen University Library, the late Edo Period. - The Meiji Period:
The Japanese National Atlas at the end of Edo Period and in the Meiji Period, Kashiwa Shobo, Collection of Kumamoto Gakuen University Library, 1983.