
Central City and Nevadaville serve as the industrial anchors of this high-altitude landscape, where the intense mining activity of the early twentieth century is etched into the terrain. The presence of the Boulder County Mine and the Pewabic Mtn workings reflects the area's deep connection to mineral extraction, while the Moffat Tunnel and the Denver Northwestern and Pacific rail line illustrate the massive engineering required to traverse the Continental Divide Trail.
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2 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 · 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
1912 · Central City
USGS Topo · 1:62,500
1915 · Longs Peak
USGS Topo · 1:125,000
1919 · Rocky Mountain National Park
USGS Topo · 1:125,000