Keywords: Hakusui-Dam right-bank.jpg Hakusui Dam 1938 right bank Taketa-city Oita Prefecture Japapn Important Cultural Property Civil Engineering of Japan 白水 池堰堤 1938竣工 の右岸曲 大分 竹田市 国の重要文化財 Source self-made Date 2007/08/17 Photographer Tsutsui Mizuki 2007-08-17 own assumed Tmizuk Hakusui Dam |