Physiographic, stratigraphic and structural development of the Quadrilátero Ferrífero Minas Gerais, Brazil
By: by John Van N. Dorr, 2d.
Contributors: Geological Survey (U.S.)
Series: U.S. Geological Survey professional paper -- 641-A; Regional geology of the Quadrilátero Ferrífero, Minas Gerais, Brazil
Publisher: U.S. Government Printing Office
Published: 1969
Place of publication: Washington, DC
Language: eng
Number of pages: 110
Subjects: Geology -- Brazil -- Quadrilátero Ferro.
Notes: Part of illustrative matter folded in pocket.

"Prepared in cooperation with the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International Development of the United States Department of State."

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