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Geology of the Lead-Zinc Deposits in the Municipio de Januaria State of Minas Gerais Brazil
GEOLOGICAL SURVEY BULLETIN 1110-B
Prepared in cooperation with the Divisao a de Fomento da Producao Mineral, Departamento Nacional da Producao Mineral, Minister to da Agricultura, O5 H i i under the sponsorship of the Agency for OQ O PH International Development, U.S. De W O O partment of State S5
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Geology of the Lead-Zinc in « / State of Minas Gerais
By JACQUES F. ROBERTSpN
CONTRIBUTIONS TO BRAZILIAN GEQLQGY NQNFERROUS METALS
G p, Q L 0 Q | C 4 L § I] R V g U T J N 1110-
P"fep@red in cooperation with the Qivis&Q d.e Foment® $a P UNITED'STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1963 UNITEP STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL 3URVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.G. 20402 CONTENTS