A young girl stands in the doorway of a rough hewn log structure. Handwritten on the reverse: "This may be the telegraph station on Boreas Pass" and photographer's stamp: "O. Westerman, Photographer, Breckenridge, - Colorado." Circa 1890s.

Abandoned mine structures at the Jessie Mine and Mill site in Gold Run Gulch north of Breckenridge, Colorado. The Jessie operated from 1885 into the 1930s and was one of the largest gold, silver and lead mine and mill complexes in the Breckenridge area.

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

Handwritten on reverse: "Sniders, Lot 1, Outbuilding 2, NE face".

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

Handwritten on reverse: "Abbett's, Lot 6, Outbuilding 111, East face".

Handwritten on reverse: "Abbett's, Block 10, Lot 9, Outbuilding 143, SE face".

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

Handwritten on reverse: "Abbett's, Block 1, Lot 11, Building 158, East face". Also shows outbuilding (log structure).

Handwritten on reverse: "Abbett's, Block 1, Lot 11, Building 158 outbuilding, SE face". In the background is a view of the south side of the Garfett House at 304 North French Street.

View of the elevated trough used to carry excavated rock and debris waste from Bucyrus No. 4 gold dredge, on the Swan River, east of Breckenridge, Colorado. Circa early 1900s.

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: "Y & M [Yingling and Mickles], Block 7, Lot 2, East face". Sheds and secondary structures along the Harris Street Alley. The barn on the left shares the lot with the Fletcher House at 100 South Harris Street. Far right background is a view of Weber and Schnittker Duplex building at 105 South High Street.

Handwritten on reverse: "Y & M [Yingling and Mickles], Block 7, Lot 3 and 14". Sheds and secondary structures along the Harris Street Alley. In the background is the Weber and Schnittker Duplex building at 105 South High Street (left) and the Neil Erdman House at 109 South High Street.

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."

Gold Pan Mining Company's Evans hydraulic elevator system and Gold Pan pit on the Blue River at the south end of Breckenridge. Excavation of the pit began in 1901, but the project was abandoned in 1905, leading to the pit being flooded with water. At the edge of the water, a man with his dog points his rifle at ducks swimming on the opposite side of the pond. Above the pit, smoke billows out from a train locomotive.

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

Handwritten on reverse: "Abbett's, Lot 6, Outbuilding 111, East face".

Handwritten on reverse: "Abbett's, Lot 2, Building 113, West face".