
Malakoff Diggings dominates the northern landscape of this Nevada County quadrangle, showing the lasting environmental footprint of hydraulic mining operations in the Gold Country. The rugged terrain is carved by the South Fork Yuba River and Humbug Creek, with historical settlements like North Bloomfield and North Columbia serving as anchors for the local history. Several deep-rock mining sites, including the Hoge Mine and St Louis Mine, are scattered across the ridges, while the Blue Tent School and a Pioneer Grave offer tangible links to the area's early social fabric.
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1888 · Smartsville
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
1894 · Colfax
USGS Topo · 1:125,000
1894 · Smartsville
USGS Topo · 1:125,000
1895 · Smartsville
USGS Topo · 1:125,000
1898 · Colfax
USGS Topo · 1:125,000
1900 · Colfax
USGS Topo · 1:125,000