
The Blacks Mountain Experimental Forest and surrounding Lassen National Forest terrain dominate this 1990s survey, illustrating a landscape managed for research and conservation. The presence of the State Game Refuge and the Old Railroad Grade suggests a history of both natural resource protection and earlier industrial access. Historically significant locations like the Eldridge Homestead (Site) and Blacks Cabin Flat provide concrete points of interest for genealogists and local historians tracing early 20th-century occupancy in the high country.
38 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.
1886 · Lassen Peak
USGS Topo · 1:250,000
1892 · Lassen Peak
USGS Topo · 1:250,000
1894 · Lassen Peak
USGS Topo · 1:250,000
1939 · Halls Flat
USGS Topo · 1:125,000
1955 · Westwood
USGS Topo · 1:250,000
1956 · Harvey Mtn
USGS Topo · 1:62,500
1957 · Prospect Peak
USGS Topo · 1:62,500
1957 · Little Valley
USGS Topo · 1:62,500
1957 · Jellico
USGS Topo · 1:62,500
1958 · Westwood
USGS Topo · 1:250,000