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Iron quadrangle (brazil)

mining region between upper Doce river basin and upper São Francisco river basin; Minas Gerais, Brazil

Pronunciation
/ˈaɪərn ˈkwɑˌdræŋɡəl ( brəˈzɪl )/
/ˈʌɪən ˈkwɒdraŋɡəl ( brəˈzɪl )/