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

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

Détails bibliographiques
Format: Carte
Langue:English
Publié: Manila Bureau of Forestry [1962].
Sujets:
Agriculture > Isabela > Maps.
Agriculture > Mt. Province > Maps.