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UNITED STATES DEPARTMENT OF THE INTERIOR J. A. Krug, Secretary GEOLOGICAL SURVEY W. E. Wrather, Director
Bulletin 960-C
GEOLOGY OF TUNGSTEN DEPOSITS IN NORTH-CENTRAL CHILE
BY JAMES F. McALLISTER AND CARLOS RUIZ F.
Prepared in cooperation with the DEPARTAMENTO DE MINAS Y PETROLED DE CHILE under the auspices of INTERDEPARTMENTAL COMMITTEE ON SCIENTIFIC AND CULTURAL COOPERATION, DEPARTMENT OF STATE
Geologic Investigations in the American Republics, 1947 (Pages 89-108)
UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 1948
For sale by the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C. Price $1.75
CONTENTS