Hayden Hill stands as the primary landmark in this corner of Lassen County, where the high-altitude landscape is defined by a complex network of seasonal water management and natural drainage. This 2012 survey reveals an environment structured for grazing and water storage, centered around the large Silva Flat Reservoir and the adjacent Silva Flat. The terrain is marked by distinct ridges and peaks, including Summers Hill and Negro Mountain, which separate various drainage basins.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Alturas
USGS Topo · 1:250,000
1886 · Honey Lake
USGS Topo · 1:250,000
1886 · Lassen Peak
USGS Topo · 1:250,000
1886 · Modoc Lava Bed
USGS Topo · 1:250,000
1891 · Honey Lake
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1892 · Lassen Peak
USGS Topo · 1:250,000
1892 · Alturas
USGS Topo · 1:250,000
1893 · Honey Lake
USGS Topo · 1:250,000
1894 · Lassen Peak
USGS Topo · 1:250,000