Takasaki City / Maebashi City / Kiryu City / Numata City / Shibukawa City / /
Company
the Tokyo Electric Power / /
Facility
Tokyo Electric Power Company’s Ayado dam / Naramata dam / Gunma Canal The Gunma Canal / Naramata dam The Gunma Canal / The Gunma Canal The Gunma Canal / Yagisawa dam / Gunma canal / /