Placer mining in Alaska :methods and costs at operations using hydraulic and mechanical excavation equipment with nonfloating washing plants

Author: Thomas, Bruce I.
Additional Authors: Kerns, William H., Wolff, Ernest, Cook, Donald J.
Year: 1959
Document Type: USBI
Issuing Agency: United. States. Bureau of Mines,
SUDOC: I 28.27:7926
Series: Information circular / United States. Bureau of Mines ;
Report Number: 7926
Subjects: Placer deposits--Alaska
Mines and mineral resources--Alaska
Link: https://hdl.handle.net/2027/mdp.39015078454744

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