USGS B 225
The Porcupine placer mining district, Alaska
Publisher:U.S. Geological Survey
USGS Publications Warehouse
Wright, C.W., 1904, The Porcupine placer mining district, Alaska, in U.S. Geological Survey, Contributions to economic geology, 1903: U.S. Geological Survey Bulletin 225, p. 60-63.
- This publication is part of a larger work. Please see B 225 for more information.
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