Columbia subject headings:
Companhia Vale do Rio Doce.
Doce River Valley (Minas Gerais and Espírito Santo, Brazil)--Economic policy.
Environmental policy--Brazil--Doce River Valley (Minas Gerais and Espírito Santo)
Iron industry and trade--Brazil--Doce River Valley (Minas Gerais and Espírito Santo)
Harvard subject headings:
Companhia Vale do Rio Doce.
Environmental policy--Brazil--Rio Doce Valley.
Iron industry and trade--Brazil--Rio Doce Valley.
Rio Doce Valley (Brazil)--Economic policy.
Princeton subject headings: