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Manuscripts

Copper Hill Mine - Amador County


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    Plymouth Mine Tailings - Amador County

    Manuscripts

    The collection contains letters, documents, maps and reports related to the professional activities of mining engineer Harley A. Sill. There are reports on ores and mines and technical data, chiefly from California, Arizona, Nevada, Canada and Mexico. There are also some reports on mines in other parts of the United States and in South and Central America. There is also one small box containing bibliographical references related to mines and metallurgy (Box 15).

    mssSill papers

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    Copper Queen & Bronze Mining - San Bernardino County

    Manuscripts

    The collection contains letters, documents, maps and reports related to the professional activities of mining engineer Harley A. Sill. There are reports on ores and mines and technical data, chiefly from California, Arizona, Nevada, Canada and Mexico. There are also some reports on mines in other parts of the United States and in South and Central America. There is also one small box containing bibliographical references related to mines and metallurgy (Box 15).

    mssSill papers

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    Liberty Hill & Little York Placer Mines - Nevada County

    Manuscripts

    The collection contains letters, documents, maps and reports related to the professional activities of mining engineer Harley A. Sill. There are reports on ores and mines and technical data, chiefly from California, Arizona, Nevada, Canada and Mexico. There are also some reports on mines in other parts of the United States and in South and Central America. There is also one small box containing bibliographical references related to mines and metallurgy (Box 15).

    mssSill papers

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    Copper Queen Consolidated Mining Co. - Bisbee, Ariz

    Manuscripts

    The collection contains letters, documents, maps and reports related to the professional activities of mining engineer Harley A. Sill. There are reports on ores and mines and technical data, chiefly from California, Arizona, Nevada, Canada and Mexico. There are also some reports on mines in other parts of the United States and in South and Central America. There is also one small box containing bibliographical references related to mines and metallurgy (Box 15).

    mssSill papers

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    Root Hill Mine - Goodsprings, Nev

    Manuscripts

    The collection contains letters, documents, maps and reports related to the professional activities of mining engineer Harley A. Sill. There are reports on ores and mines and technical data, chiefly from California, Arizona, Nevada, Canada and Mexico. There are also some reports on mines in other parts of the United States and in South and Central America. There is also one small box containing bibliographical references related to mines and metallurgy (Box 15).

    mssSill papers

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    Golconda Copper Co., Ltd. - Plumas County

    Manuscripts

    The collection contains letters, documents, maps and reports related to the professional activities of mining engineer Harley A. Sill. There are reports on ores and mines and technical data, chiefly from California, Arizona, Nevada, Canada and Mexico. There are also some reports on mines in other parts of the United States and in South and Central America. There is also one small box containing bibliographical references related to mines and metallurgy (Box 15).

    mssSill papers