About BABA SHUNSUKE
About 岡山大 大学院環境学研究科
About HIGUCHI TERUHISA
About 岡山大 大学院
About NIITANI YOJI
About 土木史研究論文集
About historic structure
About water gate
About lock (gate)
About canal
About History
About Okayama prefecture
About remains
About retaining wall
About goods
About culture (civilization)
About artificial river
About stone wall
About civil engineering heritage
About cultural heritage
About lock
About Weirs,water gates
About 水門
About 現在
About 日本
About 運河
About 閘門