Columbia subject headings:
Harvard subject headings:
Mineral industries--Pacific Area--Congresses.
Mines and mineral resources--Pacific Area--Congresses.
Natural resources--Developing countries--Congresses.
Pacific Area--Economic conditions--Congresses.
Princeton subject headings:
Mineral industries--Pacific area--Congresses.
Mines and mineral resources--Pacific area--Congresses.
Natural resources--Pacific area--Congresses.