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13Published 1932“...Kougarok Gold Gravel Moving: Dredge Being Added To Hydraulics By Alaska Continental, Spokane...”
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15Published 1937“... 20,000,000 cubic yards of additional dredging ground this season in the Klondike district. This brings...”
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20by Doody, Jeremiah D.Subjects: “...Gold dredging industry...”
Published 1898
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Other/Unknown Material