USGS B 259
Methods and costs of gravel and placer mining in Alaska
Publisher:U.S. Geological Survey
USGS Publications Warehouse
Purington, C.W., 1905, Methods and costs of gravel and placer mining in Alaska, in U.S. Geological Survey, Report of progress on investigations of mineral resources in Alaska in 1904: U.S. Geological Survey Bulletin 259, p. 32-46.
- This publication is part of a larger work. Please see B 259 for more information.
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