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

Manylion Llyfryddiaeth
Prif Awdur:	Bayle, Romeo L.
Fformat:	Traethawd Ymchwil
Iaith:	English
Cyhoeddwyd:	1999.
Pynciau:	Gold mine and mining > Philippines > Gumaus (Paracale, Camarines Norte). Gumaus (Paracale, Camarines Norte) > Economic conditions.