Principal gold-producing districts of the United States /

Bibliographic Details
Main Author:	Koschmann, A. H. (Albert Herbert), 1896-1962
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Bergendahl, M. H. (Maximilian Hilmar), 1921-
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Dept. of the Interior, 1968.
Series:	Geological Survey professional paper ; 610.
Subjects:	Gold mines and mining > United States. Gold ores > United States. Gold mines and mining. Gold ores. United States. Documents.

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