Simmons, George Clarke 1923-
Geology and Iron deposits of the western Serra do Curral, Minas Gerais, Brazil / by George C. Simmons. -- Washington : United States Government Printing Office, 1968 - 53 p. + 4 map. -- (Geological Survey Professional Paper ; 341-G).
Depósitos de minerales
Geología
Minas Gerais ( Brazil )
553(815.1)
Geology and Iron deposits of the western Serra do Curral, Minas Gerais, Brazil / by George C. Simmons. -- Washington : United States Government Printing Office, 1968 - 53 p. + 4 map. -- (Geological Survey Professional Paper ; 341-G).
Depósitos de minerales
Geología
Minas Gerais ( Brazil )
553(815.1)