Ankyo haisuihou

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Ankyohaisui

Photo Archive Japan

Photo Archive Japan Database

Dangan ankyo haisui kouji no shiori : miyagiken ni okeru jissai

NDL Digital Collections

NDL Digital Collections

冨田式暗渠排水技術

ADEAC: A System of Digitalization and Exhibition for Archive Collections

第一～四号壱町歩暗渠排水設計図

ADEAC: A System of Digitalization and Exhibition for Archive Collections

湿田暗渠排水の意義と効果 (上・下)

神戸大学附属図書館

Kobe University Library Digital Archive Newspaper Clippings Collection

暗渠排水一万二千町歩完了 : 青森の土地改良

神戸大学附属図書館

Kobe University Library Digital Archive Newspaper Clippings Collection

暗渠横断面図

有島記念館

Hokkaido Digital Museum

[歴民カード_歴史] 水城水門及び暗渠板

National Museum of Japanese History

IIIF Discovery in Japan

疵物の暗渠排水用土管 魚の棲家に : 青森県水産課の試み

神戸大学附属図書館

Kobe University Library Digital Archive Newspaper Clippings Collection

Ankyo

Nagano Prefectural Museum of History

Materials of Nagano Prefectural Museum of History Preserved in Shinshu Digital Commons

Ankyo

Nagano Prefectural Museum of History

Materials of Nagano Prefectural Museum of History Preserved in Shinshu Digital Commons

Wadaminedourokaishuukoujisekkeisho

Nagano Prefectural Museum of History

Materials of Nagano Prefectural Museum of History Preserved in Shinshu Digital Commons

Wadaminedourokaishuukoujidainanakoukusekkeisho

Nagano Prefectural Museum of History

Materials of Nagano Prefectural Museum of History Preserved in Shinshu Digital Commons

Ankyo

Nagano Prefectural Museum of History

Materials of Nagano Prefectural Museum of History Preserved in Shinshu Digital Commons