
The high-altitude spine of the Continental Divide anchors this 1958 survey, where the rugged peaks of the Front Range meet the intensive silver-mining history of the late 19th century. Near the settlement of Graymont, the landscape is defined by deep gulches and steep ridgelines that once teemed with mineral prospectors. The map records the industrial footprints of sites like the Hamill Mine, Santiago Mine, and Waldorf Mine, illustrating the complex network of tunnels and claims that drove Colorado's mountain economy.
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6 editions found
1903 · Georgetown
USGS Topo · 1:62,500
1905 · Central City
USGS Topo · 1:62,500
1905 · Georgetown
USGS Topo · 1:62,500
1910 · Central City
USGS Topo · 1:62,500
1912 · Central City
USGS Topo · 1:62,500
1924 · Montezuma
USGS Topo · 1:62,500
1924 · Fraser
USGS Topo · 1:62,500
1926 · Fraser
USGS Topo · 1:62,500
1926 · Montezuma
USGS Topo · 1:62,500
1933 · Montezuma
USGS Topo · 1:62,500