The mill is called “Old” because, by 1884, the French syndicate, which bought the Lexington mine in Walkerville, had built a new 40-stamp mill southwest of the Lexington shaft. The new Lexington mill went into operation in 1882. | Source: Sanborn Fire Insurance Map for Butte, 1884, sheet 7, Library of Congress Digital Collections. Download Original File
Source
Sanborn Fire Insurance Map for Butte, 1884, sheet 7, Library of Congress Digital Collections.
"Sanborn Map Showing the Old Lexington Stamp Mill in 1884. " appears in: Stamp Mills
