Klondike 1896 goldrush, Canada, 2007

Klondike 1896 goldrush, Canada, 2007
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Henderson, Carmack, Yukon River, Bonanza Creek, Stampede, Skagway, Dyea, Chilkoot Pass, Dawson City, placer deposits and hydrothermal mineralisation, mining in permafrost, dredge mining, hydraulicking, monitor pumps, mammoth tusks, subsidence.