Handwritten on reverse: "Y & M [Yingling and Mickles], Block 11, Lot 8, West face". South High Street, at the intersection with East Adams Avenue. Batcheller Barn in the background.

Handwritten on reverse: "Y & M [Yingling and Mickles], Block 11, Lot 8, West face". South High Street, at the intersection with East Adams Avenue.

Handwritten on reverse: "Y & M [Yingling and Mickles], Block 7, Lot 1, South [correction: North] face, Outbuilding 201".

Handwritten on reverse: "Abbett's, Block 11, Lot 5, Outbuilding 135, North face".

Handwritten on reverse: "Y & M [Yingling and Mickles], Block 6, Lot 16B, North face. Both buildings demolished 4-79 [1979 April]. Building 225 now stands on site."

Handwritten on reverse: "Abbett's, Block 8, Lots 30-31, Building 133 and outbuilding, NE face".

Handwritten on reverse: "Abbett's, Block 10, Lot 14, Outbuilding 144, NE face".

Handwritten on reverse: "Abbett's, Lots 7 & 8, Building 110, East face".

Handwritten on reverse: "Abbett's, Block 11, Lot 3, Building 135, North face".

Handwritten on reverse: "Abbett's, Block 11, Lots 4-5, Outbuilding 135, NE face".

Handwritten on reverse: "Abbett's, Lot 2".

View looking through the wood-framed railroad snowshed on Boreas Pass, along the Boreas Pass route from Como to Breckenridge, Colorado. Handwritten on the reverse: "Snowshed - Boreas Pass" and stamped "O. Westerman, Photographer, Breckenridge, - Colorado."

Remains of a log cabin or log structure, near Breckenridge, Colorado.

Remains of a log cabin or log structure, near Breckenridge, Colorado.

Remains of an abandoned mine structure, probably a hardrock mine headframe, on Bald Mountain, east of Breckenridge.

Remains of the mill at the Jessie Mine site in Gold Run Gulch near Breckenridge, Colorado.

Sallie Barber Mine site located on Barney Ford Hill in French Gulch, east of Breckenridge, Colorado. Rusted pieces of large sheet metal pipe are scattered about the site.

Sallie Barber Mine site located on Barney Ford Hill in French Gulch, east of Breckenridge, Colorado. In the foreground are roughly stacked logs.

Handwritten on reverse: "Y & M [Yingling and Mickles], Block 9, Lot 3, Outbuilding 238".