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Northwest
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Northwest history
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Pacific
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Pacific -- History -- 20th century
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mining industry
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Big Beaver Creek
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Biggs
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C. E.
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C. E. Biggs
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Charles W.
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E. B.
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E. B. Quackenbush
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Fort Franklin
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French Creek
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Geography & Maps
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Humboldt Mining and Milling Company
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Idaho
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L. O.
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L. O. Tollefson
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Lake Erie
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Mill Creek
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Mineral industry -- Mergers -- Northwest
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Mining -- Mining -- Northwest
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Mining corporations -- Northwest
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New York
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Noble
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O. P.
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O. P. Thompson
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Pennsylvania
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Quackenbush
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