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ORES AND IN D UST RY IN SOUTH AMERICA

BY (\L

H. FOSTER BAIN

MANAGING DIRECTOR, COPPER AND BRASS RESEARCH ASSOCIATION; FORMERLY DIRECTOR, U. S. BUREAU OF MINES; SECRETARY AMERICAN INSTITUTE OF MINING & METALLURGICAL ENGINEER^, ETC*.

AND -

THOMAS THORNTON READ

VINTON PROFESSOR OF MINING ENGINEERING, COLUMBIA UNIVERSITY; FORMER CHIEF OF INFORMATION SERVICE, U. S. BUREAU OF. MINES; EDITOR "MINING & METALLURGY,"... (More)