Glass Flow and the heights of Black Mountain dominate this Siskiyou County landscape, revealing a terrain shaped by volcanic activity and modern forestry management. The presence of Old Camp One serves as a point of interest for local history, suggesting former logging or worker habitation sites that have since been integrated into the forest service infrastructure. A dense network of United States Forest Service routes, including Tionesta Rd, Usfs Rd 97, and Usfs 43 N 57, crisscrosses the region, illustrating the complex access required for timber management and fire suppression. This 2012 survey provides a precise record of the road systems and topographical shifts in this high-elevation California forest, preserving the location of named landmarks and back-country routes as they existed in the early twenty-first century.
35 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 · Modoc Lava Bed
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1932 · Bartle
USGS Topo · 1:96,000
1939 · Bartle
USGS Topo · 1:125,000
1952 · Timber Mountain
USGS Topo · 1:62,500
1952 · Medicine Lake
USGS Topo · 1:62,500
1954 · Alturas
USGS Topo · 1:250,000
1958 · Alturas
USGS Topo · 1:250,000
1961 · Hambone
USGS Topo · 1:62,500
1962 · Alturas
USGS Topo · 1:250,000