Leonards Hot Springs anchors this high-desert landscape in the northeastern corner of California, where the geothermal activity characteristic of the Great Basin meets the edge of the Surprise Valley. The terrain is defined by the stark expanse of Middle Alkali Lake to the west and the abrupt rise of Fortynine Canyon to the east. Water, though scarce, dictates the layout of the land, with seasonal drainage from Sand Cr and Fortynine Cr cutting through the basin floor. The rectilinear road grid, including 48 Rd, illustrates the systematic land division common in this remote ranching and grazing country, where vast distances separate small hubs of human activity.
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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
1889 · Long Valley
USGS Topo · 1:250,000
1892 · Alturas
USGS Topo · 1:250,000
1954 · Vya
USGS Topo · 1:250,000
1954 · Alturas
USGS Topo · 1:250,000
1958 · Alturas
USGS Topo · 1:250,000
1958 · Vya
USGS Topo · 1:250,000
1962 · Alturas
USGS Topo · 1:250,000
1962 · Vya
USGS Topo · 1:250,000
1962 · Cedarville
USGS Topo · 1:62,500