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: