Small-scale gold mining a geographic perspective of the use and development of a mineral resource

Détails bibliographiques
Auteur principal:	Bayle, Romeo L.
Format:	Thèse
Langue:	English
Publié:	1999.
Sujets:	Gold mine and mining > Philippines > Gumaus (Paracale, Camarines Norte). Gumaus (Paracale, Camarines Norte) > Economic conditions.