Occidental, July 1996 (LaFontaine Collection)

Peavey Workhouse Demolition, September 13th, 1997 (LaFontaine Collection)

Whiting Mine on a 1909 Sanborn map.

Removed in 1961. Image courtesy Tony Dierckens & ZenithCity.com.

After 2 out of 3 major expansions, 1920s, Janesville Gazette, http://zoominlocal.com/

A view of Rogers Mine after its shops opened in 1913. Sanborn Fire Insurance Company.

Golden Fleece Mine, between 1870 and 1890. Courtesy of Denver Public Library.

Elevator A and surrounding area, circa 1872. (Image: MNHS)

An 1895 Ad for Wonder Flour, a product of the Daisy Rolling Mill.

The Frontenac workings, as mapped in 1912 for a company report, sent to London. Special thanks to Mark Baldwin, who posted these on his website.