Dorr, John Van N. 1910-

Physiographic, stratigraphic and structural development of the quadrilátero ferrífero Minas Gerais, Brazil / by John Van N. Dorr. -- Washington : United States Government Printing Office, 1969 - 110 p. + map. -- (Geological Survey Professional Paper ; 641-A).


Estratigrafía
Minas Gerais ( Brasil )

551.7(815.1)
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