Mineral resources of Kalinga-Apayao province.

Mineral resources of Kalinga-Apayao province.

Sonraí bibleagrafaíochta
Údar corparáideach: Bureau of Mines
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Manila The Bureau 1974.
Sraith:Its report of investigations 73.
Ábhair:
Mines and mineral resources > Philippines > Kalinga-Apayao.
Geology > Philippines > Kalinga-Apayao.