Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

Ankyohaisui

暗渠排水

Ankyo haisuihou

暗渠排水図

冨田式暗渠排水技術

久間村暗渠排水事業地

暗渠排水ニ関スル意見書

第一～四号壱町歩暗渠排水設計図

湿田暗渠排水の意義と効果 (上・下)

暗渠排水計画図 縮尺千弐百分ノ一

Hanyouka suiden no ankyo haisui sekkei ni kansuru kenkyuu

さあ泥と取組め 秋田の暗渠排水工事始る

暗渠設計図

暗渠排水一万二千町歩完了 : 青森の土地改良

Dangan ankyo haisui kouji no shiori : miyagiken ni okeru jissai

Yokotonegawanofunatsukiba

Gonousengakaiganzoiniakitakenhigashinoshirohetsuujiteiru

Moriokajoushi.moriokashi

Tīneijā

Tenmizuwotankunitakuwaeru(yowara)

Matsudairashi７mangokunobukeyashikinoato(shimabarashi)

Hashihanoukanoshidoumodouzen

Kawaguchikofukin.shouningaookuyutakananouson

Oumanotanrenhawatashitachigahikiuketa akitaken

Kiridashitamokuzaihasoriwotsukatteikkashoniatsumeru

Yaginoochichiwoakachanhe

Kaigannokyuuguntainotōchikanisumuhitomoaru

Matsushirodaihoneichikairiguchi

Nitatougetenboudai(1080mētoru).ariakewanwonozomu

Masutomikousen.rajiumuganyuuryougaooinodeshirareru

Dandanbatakenodosharyuushutsuboushikouji.mukaishima

Betta

Sankounansenhayagatesaninsennimusubareru

Imabetsumachi.hibazainotsumidashigaooi

Kirishitanbochi(hirado)

Ketakagunnagaotougefukinnokaidou.dandanbatakegaooi

Tamayamamurashibutami.ouukaidounisounouson

Furuiie

Budoubatakehamizuhakenoyoibonchihokubunodaichijounishuuchuu,katsunuma