
Modoc National Forest encompasses the majority of this high-elevation landscape, where the volcanic profile of Lone Pine Butte serves as a prominent geographic anchor. The area is defined by its strategic water resources, including the isolated Lone Pine Lake and the engineered waters of Dalton Reservoir, which support the high-desert ecology of Modoc County. Historical infrastructure is evident in the presence of OTH Radar installations and the path of Boles, indicating the land's transition from forest management to modern utility. Seasonal drainages such as Mowitz Cr and reliable points like Davis Spring further highlight the critical role of water in this arid environment, while the grid of township boundaries across T44N and T45N reflects the structured public land survey system common to this part of northern California.
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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 · Modoc Lava Bed
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1892 · Alturas
USGS Topo · 1:250,000
1951 · Clear Lake Reservoir
USGS Topo · 1:62,500
1952 · Hackamore
USGS Topo · 1:62,500
1954 · Alturas
USGS Topo · 1:250,000
1958 · Alturas
USGS Topo · 1:250,000
1962 · Alturas
USGS Topo · 1:250,000
1962 · Steele Swamp
USGS Topo · 1:62,500