USGS B 520
The Ruby gold-placer district
Publisher:U.S. Geological Survey
USGS Publications Warehouse
Maddren, A.G., 1912, The Ruby gold-placer district, in U.S. Geological Survey, Mineral resources of Alaska, report on progress of investigations of 1911: U.S. Geological Survey Bulletin 520, p. 287-296.
- This publication is part of a larger work. Please see B 520 for more information.
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