二瀬ダム(埼玉県)建設の荒川漁業への影響と今後の開発に関する調査報告Report of the survey made on the effect of newly built futase dam to fishery in the river-Arakawa (Saitama prefecture) and management postulated
二瀬ダム(埼玉県)建設の荒川漁業への影響と今後の開発に関する調査報告Report of the survey made on the effect of newly built futase dam to fishery in the river-Arakawa (Saitama prefecture) and management postulated