Land classification province of Isabela ; sub-province of Bontoc and Ifugao.

Land classification province of Isabela ; sub-province of Bontoc and Ifugao.

Dades bibliogràfiques
Format: Mapa
Idioma:English
Publicat: Manila Bureau of Forestry [1962].
Matèries:
Agriculture > Isabela > Maps.
Agriculture > Mt. Province > Maps.