
Middle Fork Cosumnes River and the South Fork Cosumnes River define this Sierra Nevada foothills landscape, carving deep canyons through the El Dorado and Amador county borderlands. The 1952 field data reveals a rural economy rooted in ranching and resource extraction, with numerous family-named landmarks like the D'Agostini Ranch and Melsons Corner. Evidence of the region's gold mining heritage is found at the Umatilla Mine, Randalls Mine, and the Golden Treasure Mine, while several tailings sites mark the riverbanks.
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5 editions found
1889 · Jackson
USGS Topo · 1:125,000
1891 · Placerville
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
1897 · Jackson
USGS Topo · 1:125,000
1902 · Jackson
USGS Topo · 1:125,000
1941 · Sutter Creek
USGS Topo · 1:62,500
1944 · Sutter Creek
USGS Topo · 1:62,500
1947 · Sacramento
USGS Topo · 1:250,000