Methods and costs of gravel and placer mining in Alaska /

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Bibliographic Details
Main Author: Purington, Chester Wells, 1871-
Corporate Author: Geological Survey (U.S.)
Format: Government Document Book
Language:English
Published: Washington : Govt. Print. Off., 1905.
Series:Bulletin (Geological Survey (U.S.)) ; no. 263.
Series A--Economic geology ; 55.
Subjects: