Nagano-ken sabōshi
Subtitle: Sabōka setchi 50-nen kinen
Publisher: Nagano-ken Dobokubu Sabōka : Nagano-ken Chisui Sabō Kyōkai
Published: 1992
Place of publication: [Nagano-shi]
Language: jpn
Subjects: Dikes (Engineering); History; Embankments; Soil conservation