Population density map, province of Isabela the social and environmental impact of the Magat river proj.
| פורמט: | מפה |
|---|---|
| שפה: | English |
| יצא לאור: |
Quezon City
Institute of Planning
Univ. of the Phils., 1973.
|
| סדרה: | Map folio province of Isabela
sheet 6). |