
The North Fork Mokelumne River carves a deep boundary between Amador and Calaveras Counties, defining a landscape dominated by timber management and hydroelectric infrastructure. The presence of the Regulatory Canal and various flumes alongside Tiger Creek indicates a highly engineered water system supporting the region. Higher elevations are marked by distinctive peaks such as Garnet Hill and Buck Mtn, while the Salt Springs Ridge overlooks the Salt Springs State Game Refuge to the north.
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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