Columbia subject headings:
Gold miners--Brazil--Congresses.
Gold mines and mining--Environmental aspects--Brazil--Congresses.
Indians of South America--Land tenure--Brazil--Congresses.
Harvard subject headings:
Gold mines and mining--Brazil
Indigenous peoples--Brazil.
Mineral industries--Environmental aspects--Brazil.
Mineral industries--Social aspects--Brazil.
Princeton subject headings:
Mineral industries--Environmental aspects--Brazil.
Mines and mineral resources--Environmental aspects--Brazil.