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Black Hawk ca 1890
Black Hawk Colorado Street View ca 1888
Black Hawk Colorado 1880s
Railroad in Blackhawk ca 1900
Street view at Black Hawk, Colorado ca. 1878
Bobtail Lode - Black Hawk, Colorado ca. 1868
Black Hawk Colorado ca. 1863
Black Hawk, Colorado 1864
Construction of the Gunnell Gold Company Mill - Black Hawk 1864
Construction of the Gunnell Gold Company mill and mine in Black Hawk, Colorado. This structure was later used as the Colorado Central railroad station. Photo dateNovember 16, 1864.
Black Hawk, Colorado 1864
Smelters at Black Hawk, Colorado ca. 1870
Professor Hills Smelting Works at Black Hawk, Colorado ca. 1868
Compressors in the Cook shaft house on Bobtail Hill
Hoist operator in the Cook shaft house on Bobtail Hill