Koya Dam (Japanese: 古谷ダム) is a dam in the Nagano Prefecture, Japan, completed in 1982.[1]
References
36°07′26″N 138°35′37″E / 36.12389°N 138.59361°E
Koya Dam (Japanese: 古谷ダム) is a dam in the Nagano Prefecture, Japan, completed in 1982.[1]
36°07′26″N 138°35′37″E / 36.12389°N 138.59361°E
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