Men stand outside frame processing buildings at Professor Nathaniel P. Hill's Black Hawk Smelter in Black Hawk (Blackhawk, Gilpin County), Colorado. Vented buildings have smokestacks. Men use shovels and wheelbarrows to move ore piles.
Hill, N. P. (Nathaniel Peter), 1832-1900--Homes & haunts.; Blackhawk (Colo.)--1860-1870.; Ore industry--Colorado--Blackhawk--1860-1870.; Smelters--Colorado--Blackhawk--1860-1870.; Smokestacks--Colorado--Blackhawk--1860-1870.
Smoke rises from a smokestack at what is identified as the Blackhawk Company Stamp Mill on Selak Street in Black Hawk (Blackhawk, Gilpin County), Colorado. Brick and frame mill buildings are beside stacks of wood and ore piles. Shows the frame...