
Lassen Peak and the surrounding volcanic landscape dominate the western reach of this survey, where the Lassen Volcanic National Park meets several large timber-rich national forests. The 1950s infrastructure is clearly defined, showing the expansion of water management systems like Lake Almanor, Butt Valley Reservoir, and the McCoy Flat Reservoir. These reservoirs, along with the Susan River, supported the growing population centers of Susanville and Burney. In the east, the terrain transitions into the high desert basins of Dixie Valley and the vast alkali flats surrounding Honey Lake. The era’s military presence is notable at the Sierra Ordinance Depot near Herlong, a significant industrial and logistics hub for the region during the Cold War. Transportation networks, including the Southern Pacific railroad and early mountain highways like Route 36, connect these isolated mountain outposts and ranger stations.
114 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 · 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
1886 · Shasta
USGS Topo · 1:250,000
1886 · Granite Range
USGS Topo · 1:250,000
1888 · Bidwell Bar
USGS Topo · 1:125,000
1889 · Long Valley
USGS Topo · 1:250,000
1890 · Red Bluff
USGS Topo · 1:250,000
1890 · Sierraville
USGS Topo · 1:125,000