0663名無しさん@涙目です。(大阪府) [US]
2018/07/30(月) 15:20:04.12ID:N7+016HJ0誰もソース出してこないから自分で調べたわ
http://www.pnpclaos.com/images/PDF/EnvSocialDoc/EnvImpactAssessment/Chapter3/PNPC_EIA_Chap03_Project_Description_Final.pdf
>3.3.6. Saddle Dams
>Three eathfill saddle dams will be needed along the west shores of the Xe Namony reservoir, to close low points along its perimeter.