
Hough Springs and the northern reaches of the Indian Valley Reservoir characterize this portion of the Mendocino National Forest. The landscape is a complex system of ridges and glades, where Indian Ridge, Pine Ridge, and Soapstone Ridge divide numerous drainages such as North Fork Cache Creek and Stanton Cr. This 2021 survey illustrates the modern management of these protected lands, documenting the network of forest roads like the Lake Co Road (Bartlett Spr) and Colusa Co Road (Goat Mtn) that provide access to remote points. Small seasonal settlements and natural landmarks, including Davis Flat, Pacific Point, and Split Rock, are precisely located amidst the high terrain. Geologists and local historians can trace the intricate water systems from Complexion Spring to the various forks of Mill Cr that feed the local watershed.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Venado
USGS Topo · 1:62,500
1924 · Bartlett Springs
USGS Topo · 1:62,500
1942 · Bartlett Springs
USGS Topo · 1:62,500
1943 · Lodoga
USGS Topo · 1:62,500
1944 · Bartlett Springs
USGS Topo · 1:62,500
1944 · Wilbur Springs
USGS Topo · 1:62,500
1951 · Stonyford
USGS Topo · 1:62,500
1957 · Ukiah
USGS Topo · 1:250,000
1958 · Clearlake Oaks
USGS Topo · 1:24,000
1960 · Ukiah
USGS Topo · 1:250,000