Eldorado National Forest defines the character of this high-elevation landscape, where the Middle Fork Cosumnes River and Bear River carve through the Sierra Nevada foothills. The terrain is marked by a series of prominent ridges, including Plummer Ridge, Telephone Ridge, and Panther Ridge, which historically provided high-ground passage for early forest access and resource management. The map documents the intricate network of canyons such as Loggers Delight Canyon and Sugar Pine Canyon, reflecting a long history of timber harvesting in the region. Notable water features like the Lower Bear River Reservoir and various springs, including Mehrten Spring and Mud Spring, provide vital water sources in this complex topography. The boundary between El Dorado County and Amador County follows the rugged watercourses and ridgelines, anchoring this area within its historical administrative context.
44 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1889 · Pyramid Peak
USGS Topo · 1:125,000
1891 · Big Trees
USGS Topo · 1:125,000
1891 · Pyramid Peak
USGS Topo · 1:125,000
1894 · Big Trees
USGS Topo · 1:125,000
1895 · Pyramid Peak
USGS Topo · 1:125,000
1896 · Pyramid Peak
USGS Topo · 1:125,000
1897 · Big Trees
USGS Topo · 1:125,000
1901 · Big Trees
USGS Topo · 1:125,000
1947 · Sacramento
USGS Topo · 1:250,000
1948 · Sacramento
USGS Topo · 1:250,000