
Modoc National Forest encompasses this high-elevation plateau region, where water management is central to the landscape. Numerous reservoirs and seasonal catchments like Surveyors Valley Reservoir, Deadhorse Reservoir Flat, and Reservoir M dot the terrain, supporting the area's cattle-ranching operations. The presence of Wildhorse Cow Camp and the aptly named Gas Drum Flat points to the practical infrastructure required for land use in this part of California during the late twentieth century.
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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