
Gold mining operations and deep river canyons define this 1952 topographic study of the Tahoe National Forest in Placer County. The landscape is dominated by the North Fork American River and its numerous tributaries, which have carved through the Iowa Hill Divide and Sawtooth Ridge. This era shows a transition from active extraction to historical sites, marked by the presence of numerous tunnels and mines such as the American Eagle Mine, Marrs Mine, and the Lost Camp Mine.
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8 editions found
1891 · Colfax
USGS Topo · 1:125,000
1892 · Colfax
USGS Topo · 1:125,000
1894 · Colfax
USGS Topo · 1:125,000
1898 · Colfax
USGS Topo · 1:125,000
1900 · Colfax
USGS Topo · 1:125,000
1902 · Colfax
USGS Topo · 1:125,000
1938 · Colfax
USGS Topo · 1:125,000
1948 · Foresthill
USGS Topo · 1:24,000
1949 · Foresthill
USGS Topo · 1:24,000
1950 · Colfax
USGS Topo · 1:62,500