Ilocos framework plan Abra river basin.

Ilocos framework plan Abra river basin.

Bibliographic Details
Corporate Author: National Water Resources Council
Format: Book
Language:English
Published: Quezon City National Water Resources Council 1981.
Series:Report / National Water Resources Council no. 24-1B
Subjects:
River basins > Philippines > Abra.
Regional planning > Philippines > Abra.
Water resources development > Philippines > Abra.