Knob sits at the southern edge of this survey, marking a localized settlement point within the vast timberlands and high elevations of the Trinity National Forest. The landscape is dominated by the Trinity Mountains, reaching a high point at Chanchelulla Peak in the northwest. This area serves as a significant drainage basin, where Chanchelulla Cr and Byrons Cr flow through steep canyons to feed the larger systems of the region.
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1890 · Red Bluff
USGS Topo · 1:250,000
1894 · Red Bluff
USGS Topo · 1:250,000
1909 · Big Bar
USGS Topo · 1:96,000
1913 · Weaverville
USGS Topo · 1:125,000
1915 · Big Bar and Vicinity
USGS Topo · 1:250,000
1931 · Hoaglin
USGS Topo · 1:96,000
1935 · Hoaglin
USGS Topo · 1:125,000
1950 · Weaverville
USGS Topo · 1:62,500
1951 · Hayfork
USGS Topo · 1:62,500
1951 · Chanchelulla Peak
USGS Topo · 1:62,500