[D9043-F]

https://edisondigital.rutgers.edu/folder/D9043-F

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Part Of: Document File Series -- 1890

[D9043-F] (D-90-43) Mining

This folder contains correspondence and other documents relating to mining and ore milling. Included are requests for information about Edison's mining and ore milling machinery. There are also letters concerning the purchase of various state geological surveys and maps and the acquisition of mining property in Rockland County, N. Y.

Approximately 30 percent of the documents have been selected. The following categories of documents have not been selected: routine requests from surveyors for money; routine correspondence concerning survey maps; unsolicited inquiries regarding Edison's ore separation process; letters of transmittal.

Related material can be found in D-90-64 (West Orange Laboratory).

Courtesy of Thomas Edison National Historical Park.

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