Fouts Springs serves as a central point of interest in this high-elevation corner of the Mendocino National Forest, where the boundary between Lake and Colusa Counties winds through the interior Coast Range. The landscape is defined by a series of glades and valleys, most notably Lower Letts Valley and Summit Valley, which are punctuated by distinctive landmarks like Potato Hill and Goat Mtn. The hydrology of the area is complex, centered on Stony Creek and its southern fork, alongside recreational and resource points such as Letts Lake and Davis Flat. Named springs like Champagne Spring and Red Eye Spring appear frequently, indicating the importance of these water sources for both the forest ecology and the small enclaves that have historically occupied these remote basins and ridges.
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This is the sole edition of this map. No revisions or reprints were ever made.
1922 · Hullville
USGS Topo · 1:62,500
1924 · Bartlett Springs
USGS Topo · 1:62,500
1938 · Lakeport
USGS Topo · 1:62,500
1942 · Bartlett Springs
USGS Topo · 1:62,500
1944 · Bartlett Springs
USGS Topo · 1:62,500
1951 · Lake Pillsbury
USGS Topo · 1:62,500
1951 · Lakeport
USGS Topo · 1:62,500
1951 · Stonyford
USGS Topo · 1:62,500
1957 · Ukiah
USGS Topo · 1:250,000
1958 · Bartlett Mtn
USGS Topo · 1:24,000