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River Gold Techniques

1998-10-27Placer Gold Mining in Alaska Cooperative Studies on the Effect of Suction Dredge Operations on the Fortymile River Background Alluvial gold was first discovered in the Fortymile River Mining District FMD in 1886 and has been placer mined there ever since. Essentially all of the mining in FMD has been placer. During the life-.

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