
Skaggs Springs serves as a prominent landmark in this upland coastal region of Sonoma County, where a network of family ranches and seasonal drainages defines the early 20th-century landscape. The Corps of Engineers document captures the transitional terrain between the Wheatfield Fork Gualala River and the Russian River valley. The settlement pattern is characterized by remote outposts like Soules Ranch, Las Lomas Ranch, and Nobles Ranch, reflecting a ranching economy that relied on the winding tracks following Austin Creek and Warm Springs Creek. In the southern portion, the presence of the N. W. P. R. R. near Guerneville and Monte Rosa indicates the arrival of rail-driven development, providing a sharp contrast to the isolated schoolhouses like Summit School perched on the ridges to the north.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Healdsburg
USGS Topo · 1:62,500
1921 · Kelseyville
USGS Topo · 1:62,500
1921 · Plantation
USGS Topo · 1:62,500
1933 · Healdsburg
USGS Topo · 1:48,000
1935 · Sebastopol
USGS Topo · 1:48,000
1938 · Hopland
USGS Topo · 1:62,500
1940 · Healdsburg
USGS Topo · 1:62,500
1942 · Sebastopol
USGS Topo · 1:62,500
1942 · Arched Rock
USGS Topo · 1:24,000
1943 · Tombs Creek
USGS Topo · 1:24,000