Slope map, province of Isabela.
| 格式: | 地圖 |
|---|---|
| 語言: | English |
| 出版: |
Manila
Institute of Planning
U.P., 1973.
|
| 叢編: | The Social and Environmenal Impact of the Magat River project.
|
| 格式: | 地圖 |
|---|---|
| 語言: | English |
| 出版: |
Manila
Institute of Planning
U.P., 1973.
|
| 叢編: | The Social and Environmenal Impact of the Magat River project.
|