UNITED STATES DEPARTMENT OF THE INTERIOR Harold L. Ickes, Secretary GEOLOGICAL SURVEY W. E. Wrather, Director
Bulletin 933-D
RECONNAISSANCE OF PORCUPINE VALLEY, ALASKA
BY GERALD FITZGERALD
Mineral resources of Alaska, 1940 (Pages 219-243)
UNITED STATES GOVERNMENT PRINTING OFFICE WASHINGTON : 1944
For sale by the Superintendent of Documents, U. S. Government Printing Office, Washington 25, D. C. Price 45 cents
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