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

Dades bibliogràfiques
Autor principal:	Bayle, Romeo L.
Format:	Thesis
Idioma:	English
Publicat:	1999.
Matèries:	Gold mine and mining > Philippines > Gumaus (Paracale, Camarines Norte). Gumaus (Paracale, Camarines Norte) > Economic conditions.