Lepanto centuries old mine [microform].

Xehetasun bibliografikoak
Egile nagusia:	Andres, Demetrio
Formatua:	Visual Material
Hizkuntza:	English
Argitaratua:	[Quezon City] Photoduplication Service, University of the Philippines Library 1973
Gaiak:	Lepanto Consolidated Mining Company. Mines and mineral resources > Philippines.