
Wilbur Springs serves as a focal point in this landscape where the Colusa and Lake county lines meet along County Line Ridge. The area is characterized by a concentrated mining history in the south, where researchers can identify the sites of the Empire Mine, Central Mine, Wide Awake Mine, and Turkey Run Mine clustered near Sulphur Creek. These workings, alongside the Clyde Mine to the north, point to the mineral-driven economy that once defined these hills.
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2 editions found
1904 · Sites
USGS Topo · 1:24,000
1905 · Fairview
USGS Topo · 1:24,000
1906 · Maxwell
USGS Topo · 1:62,500
1907 · Colusa
USGS Topo · 1:62,500
1917 · Sites
USGS Topo · 1:31,680
1917 · Delevan
USGS Topo · 1:31,680
1918 · Williams
USGS Topo · 1:31,680
1918 · Spring Valley
USGS Topo · 1:31,680
1920 · Venado
USGS Topo · 1:62,500
1924 · Bartlett Springs
USGS Topo · 1:62,500