
Caldor is the central hub of this mid-century survey, surrounded by the high-elevation industrial activity of the El Dorado National Forest. The landscape is heavily marked by its mining and logging history, with numerous extraction sites including the Arbor Mine, Spread Eagle Mine, and the Louis Jordan Mine. This era was characterized by an extensive network of Logging Roads that carved through the ridges, connecting remote settlements like Elkins Flat and Cooks Station to the primary transit corridors.
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5 editions found
1889 · Jackson
USGS Topo · 1:125,000
1889 · Pyramid Peak
USGS Topo · 1:125,000
1891 · Big Trees
USGS Topo · 1:125,000
1891 · Placerville
USGS Topo · 1:125,000
1891 · Pyramid Peak
USGS Topo · 1:125,000
1892 · Jackson
USGS Topo · 1:125,000
1892 · Placerville
USGS Topo · 1:125,000
1893 · Placerville
USGS Topo · 1:125,000
1894 · Big Trees
USGS Topo · 1:125,000
1895 · Pyramid Peak
USGS Topo · 1:125,000