
Lassen Peak dominates this high-elevation reconnaissance survey, serving as the focal point for a landscape defined by volcanic geology and early industrial outposts. The map documents a rugged era of resource extraction and transit, where mountain passes and trails provided the only reliable movement through the heavy timber and lava beds. Along the southern slopes, several isolated mill sites like Eureka Mill and Belle Mill suggest the early footprint of the lumber industry, while settlements such as Prattville and Lyonsville anchor the sparse human geography of the late nineteenth century. Geothermal activity is a prominent feature of the mapping effort, with careful labels for Bumpass Hot Springs, Soupan Springs, and Tartarus Lake near the volcanic core. To the north, the Pit River and Fall River Mills mark the boundary of more established valley settlements, connected to the high country by the historic Lassen Trail.
120 named features on this map. Tap any name to fly to it.
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8 editions found
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
1888 · Bidwell Bar
USGS Topo · 1:125,000
1890 · Red Bluff
USGS Topo · 1:250,000
1891 · Bidwell Bar
USGS Topo · 1:125,000
1891 · Chico
USGS Topo · 1:125,000
1891 · Downieville
USGS Topo · 1:125,000