
Eldorado National Forest defines the mountainous landscape of this region, where the steep canyons of the Middle Fork Cosumnes River and the South Fork Cosumnes River converge near the El Dorado and Amador County line. The terrain is marked by prominent ridges like Plummer Ridge and Gold Note Ridge, with small clearings and settlements such as Caldor and Elkins Flat serving as remote outposts. These areas are connected by a network of specialized routes, including the Caldor Logging Rd and trails that reference the region’s industrial history, such as the Myers R.R. Trl.
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This is the sole edition of this map. No revisions or reprints were ever made.
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