Ilocos framework plan Abra river basin.

Ilocos framework plan Abra river basin.

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書目詳細資料
企業作者: National Water Resources Council
格式: 圖書
語言:English
出版: [Quezon City] NWRC 1981.
叢編:Its report no. 24-1-B
主題:
River basins > Philippines > Abra.
Land use > Philippines > Abra.
Regional planning > Philippines > Abra.
Water resources development > Philippines > Abra.