Manuscripts
Technical Data
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Misc. technical data
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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Technical data notebook
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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Flotation data
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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Technical analysis record book
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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Oppo Development Co. - Shasta 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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Comanche Mono Co. - Calif. - 5 maps
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