
Shasta National Forest defines the rugged geography of this high-elevation landscape, where the volcanic character of the terrain is evident in features like Lava Crack Spring and the subterranean formations of Ice River Caves and Water Caves. The map documents a sparse but significant industrial presence, primarily related to timber and water access in the late 20th century. Traces of historical transportation are visible through the Old RR Grade and the Chippy Spur, indicating the area's role in the regional logging economy. Isolated landmarks like Lost Iron Well and the prominent heights of Snag Hill and Powder Hill provide essential points of orientation within this dense wilderness. The arrangement of these features suggests a landscape managed for resource extraction while remaining largely dominated by its natural geological curiosities.
13 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
1950 · Bray
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
1961 · Bartle
USGS Topo · 1:62,500