View of the Smuggler, Free Silver, and Mollie Gibson mines in full production, Aspen (Pitkin County), Colorado. Denver and Rio Grande railroad adjacent to the mills.
Denver and Rio Grande Railroad Company.; Mine buildings--Colorado--Pitkin County--1900-1910.; Free Silver Mine (Pitkin County, Colo.)--1900-1910.; Mollie Gibson Shaft (Pitkin County, Colo.)--1900-1910.; Smuggler Mine (Pitkin County,...