10/07/1899 Edison, Thomas Alva to Galisteo Co and Hoyt, Henry Reese
(Ortiz Mine) Ore milling and separation; Ore milling (non-iron ore)
[LB064]  General Letterbook Series: Letterbook, LB-064 (1892-1894, 1899-1900)
[LB064096; TAEM 196:455]
Courtesy of Thomas Edison National Historical Park.
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