Population density map, province of Isabela the social and environmental impact of the Magat river proj.
| 格式: | 地图 |
|---|---|
| 语言: | English |
| 出版: |
Quezon City
Institute of Planning
Univ. of the Phils., 1973.
|
| 丛编: | Map folio province of Isabela
sheet 6). |