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.
View of a three-story brick house on 14th (Fourteenth) and Welton Streets in Denver, Colorado. This house built for Senator Nathaniel Hill has second floor balconies, Classical pillars, a turret, a mansard roof with dormer windows, a widow's walk...
Hill, N. P. (Nathaniel Peter), 1832-1900--Homes & haunts.; Denver (Colo.)--1870-1890.; Houses--Colorado--Denver--1870-1890.
[between 1879 and 1890?]
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