View of mountain valley with zigzag dirt trail near large frame hillside buildings of the Pandora Mill of the Smuggler-Union Mine, near Pandora, San Miguel County, Colorado.
Pandora Mill (San Miguel County, Colo.)--1880-1890.; San Miguel County (Colo.)--1880-1890.; Mills--Colorado--San Miguel County--1880-1890.; Mining--Colorado--San Miguel County--1880-1890.; Trails & paths--Colorado--San Miguel County--1880-1890.
[between 1882 and 1890]
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