Records 1912-1947

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Records 1912-1947

http://nwda.orbiscascade.org/ark:/80444/xv47543

Minutes of meetings, financial statements, correspondence with suppliers and stockholders, annual statements and reports to state agencies, stock ledgers and journals, and financial ledgers and journals of a silver-lead mine in the Beaver Mining District of the Coeur d'Alene mining region of northern Idaho.

1 cubic foot

eng,

University of Idaho Library Special Collections and Archives

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SNAC Resource ID: 6372615

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Portland Mining Company

http://n2t.net/ark:/99166/w6716ctx (corporateBody)

Between 1890 and 1895 the original Portland Mining Company developed a property on the west slope of Sunset Peak, but the zinc ores exposed in the Silver Tip tunnel proved valueless because there was no proper method of separation from the lead associated with them. After 1917 Eugene Day undertook further development under the name West Sunset Mining Company. Although the Days invested between $75,000 and $80,000 little ore was found and on September 29, 1921, the mine was closed. ...