Mining methods and costs :
Alaska-Juneau Gold Mining Co., Juneau, Alaska /
by P.R. Bradley.
|Main Author:||Bradley, Philip Read.|
Washington, D.C. : United States, Department of Commerce, Bureau of Mines, 1929.
Alaska Juneau Gold Mining Company.
Gold mines and mining.
Gold mines and mining > Gold mines and mining / Alaska > Gold mines and mining / Alaska / Juneau,
Alaska > Alaska / Juneau Region.
18 pages :
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