Principal gold-producing districts of the United States, by A. H. Koschmann and M. H. Bergendahl.
Material type:
TextSeries: Geological Survey professional paper ; 610.Publication details: Washington, U.S. Dept. of the Interior, 1968.Description: v, 283 p. illus., maps. 30 cmSubject(s): DDC classification: - 553/.41/0973
- QE75 .P9 no. 610
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Bibliography: p. 263-276.
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