About NITTA FUKUMI
About 鹿児島県 土木部
About MARUTA MITSUHIRO
About 鹿児島県 土木部
About gravity dam
About flood control reservoir
About Kagoshima prefecture
About construction cost
About construction method
About Nishinotani Dam
About dry dam
About 造成アバットメント工法
About Dams in general
About 西之谷ダム
About 流水型ダム
About 概要