Mendocino National Forest defines this part of the Northern California wilderness, where the boundary between Trinity and Mendocino Counties crosses a landscape of steep ridges and creek drainages. This high-country terrain is shaped by a network of seasonal water sources such as Ray Spring and Cherry Spring, which provided essential stopping points in an area largely defined by its vertical relief. The map shows a clear pattern of land use focused on elevation, with distinctive clearings like Jose Opening and Big Flat providing rare level ground amidst the peaks.
36 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Covelo
USGS Topo · 1:62,500
1921 · Hoaglin
USGS Topo · 1:62,500
1922 · Island Mountain
USGS Topo · 1:62,500
1926 · Covelo
USGS Topo · 1:62,500
1931 · Hoaglin
USGS Topo · 1:96,000
1935 · Hoaglin
USGS Topo · 1:125,000
1952 · Spyrock
USGS Topo · 1:62,500
1952 · Covelo
USGS Topo · 1:62,500
1953 · Blackrock Mtn
USGS Topo · 1:62,500
1954 · Blackrock Mtn
USGS Topo · 1:62,500