Methods and costs of gravel and placer mining in Alaska /

Bibliographic Details
Main Author:	Purington, Chester Wells, 1871- (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1905.
Series:	Bulletin (Geological Survey (U.S.)) ; no. 263. Series A--Economic geology ; 55.
Subjects:	Gold mines and mining > Alaska. Gold mines and mining. Alaska.
Online Access:	https://purl.fdlp.gov/GPO/gpo60262

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