
Industrial and pioneer history converge along Iron Mountain Ridge within the Eldorado National Forest. This terrain is characterized by a significant legacy of timber and mineral extraction, evidenced by multiple historical milling locations such as the Plum Creek Mill Site, Girard Mill Site, and Tuman Mill Site. These sites, alongside the Griminger Gold Springs and Robert Lee Mine, illustrate the resource-driven settlement patterns of the Sierra Nevada foothills. Smaller locales like Bryants and Bonetti are positioned near the network of drainages that feed into the North Fork Cosumnes River and the Steely Fork Cosumnes River. The map also details early ranching and livestock infrastructure at Duncan Corral and family-named landmarks like Matulich Meadow, which reflect the localized land use during the mid-20th century.
59 named features on this map. Tap any name to fly to it.
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9 editions found
1889 · Pyramid Peak
USGS Topo · 1:125,000
1891 · Placerville
USGS Topo · 1:125,000
1891 · Pyramid Peak
USGS Topo · 1:125,000
1892 · Placerville
USGS Topo · 1:125,000
1893 · Placerville
USGS Topo · 1:125,000
1895 · Pyramid Peak
USGS Topo · 1:125,000
1896 · Pyramid Peak
USGS Topo · 1:125,000
1947 · Sacramento
USGS Topo · 1:250,000
1948 · Sacramento
USGS Topo · 1:250,000
1950 · Riverton
USGS Topo · 1:24,000