
The North Fork American River carves a deep path through this mid-century landscape in the Tahoe National Forest. The map documents a rugged era of extraction and early settlement where the high ridges of Sawtooth Ridge and Humbug Ridge are dotted with complex mining infrastructure. Subterranean networks like the Mountain Gate Tunnel, Golden River Tunnel, and Osborne Tunnel reveal the intensity of gold-seeking efforts along the Forest Hill Divide.
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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