
Lassen National Forest terrain dominates this survey of the high mountain landscape in Plumas County. The area is defined by a series of significant mountain meadows and valleys, including Humbug Valley and Little Grizzly Valley, which historically served as vital grazing lands and transit corridors. High-elevation drainage networks are clearly defined here, with Yellow Creek and its many tributaries, such as North Yellow Cr and Water Creek South, cutting through the ridges.
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This is the sole edition of this map. No revisions or reprints were ever made.
1886 · Lassen Peak
USGS Topo · 1:250,000
1892 · Lassen Peak
USGS Topo · 1:250,000
1894 · Lassen Peak
USGS Topo · 1:250,000
1955 · Almanor
USGS Topo · 1:62,500
1955 · Westwood
USGS Topo · 1:250,000
1956 · Mt. Harkness
USGS Topo · 1:62,500
1956 · Chester
USGS Topo · 1:62,500
1958 · Westwood
USGS Topo · 1:250,000
1958 · Jonesville
USGS Topo · 1:62,500
1959 · Westwood
USGS Topo · 1:250,000