
The Colorado Central and Denver and Salt Lake railroads provide a critical look at the industrial pulse of this mountain corridor in the early twentieth century. These rail lines follow the deep drainages of South Boulder Creek and Clear Creek, connecting mining centers like Blackhawk with the wider region. The landscape is defined by a dense network of family-held ranches and small settlements, including Skate Ranch, Winiger Ranch, and Centennial Ranch, which were established alongside the more permanent structures of the Pine Glade School.
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5 editions found
1899 · West Denver
USGS Topo · 1:125,000
1902 · Boulder
USGS Topo · 1:62,500
1903 · Georgetown
USGS Topo · 1:62,500
1904 · Niwot
USGS Topo · 1:62,500
1904 · Boulder
USGS Topo · 1:62,500
1905 · Central City
USGS Topo · 1:62,500
1905 · Georgetown
USGS Topo · 1:62,500
1906 · Blackhawk
USGS Topo · 1:62,500
1910 · Central City
USGS Topo · 1:62,500
1912 · Central City
USGS Topo · 1:62,500