Land classification, province of Nueva Vizcaya.
| Format: | Mapa |
|---|---|
| Idioma: | English |
| Publicat: |
Manila
Bureau of Forestry
[1954n].
|
| Matèries: |
| Format: | Mapa |
|---|---|
| Idioma: | English |
| Publicat: |
Manila
Bureau of Forestry
[1954n].
|
| Matèries: |