
Pliocene Ridge serves as the high spine of this territory within the Tahoe National Forest, separating the drainages of Oregon Creek to the north from the Middle Yuba River to the south. The landscape is defined by its deep mining heritage, evident in the numerous sites scattered across the terrain. From the Alaska Mine and True Grit Mine to the Kate Hardy Mine near Kanaka Creek, the map documents an extensive industrial history of extraction.
74 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1888 · Smartsville
USGS Topo · 1:125,000
1888 · Bidwell Bar
USGS Topo · 1:125,000
1891 · Bidwell Bar
USGS Topo · 1:125,000
1891 · Downieville
USGS Topo · 1:125,000
1891 · Colfax
USGS Topo · 1:125,000
1891 · Smartsville
USGS Topo · 1:125,000
1892 · Smartsville
USGS Topo · 1:125,000
1892 · Colfax
USGS Topo · 1:125,000
1893 · Bidwell Bar
USGS Topo · 1:125,000
1893 · Downieville
USGS Topo · 1:125,000