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Rocky Mountain Gold Mining Company of Colorado. [A description of ...
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First Report to Shareholders of the Big Bend Hydraulic Mining Company
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Organization of the New York and El Dorado Gold Mining Company, of ...
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The Catalpa Mining Company of Leadville, Colorado
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The Empire Gold Mining Company, Plymouth, Amador County, California
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Report of the President and Directors of the Oakeland Mining ...
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Report of the Franklin Mining Company
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Mining Practice and Methods at the United Verde Extension Mining ...
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Report of the Directors to the Stockholders of the Pewabic Mining ...
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Reports on the Property of the Hyko Silver-Mining Company, ...
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