
Mendocino National Forest defines this high-elevation landscape along the boundary of Trinity and Mendocino counties. The terrain is characterized by a series of prominent ridges and deep canyons, with Bluenose Ridge and Asa Bean Ridge running through the southern and eastern sectors. Small clearings and flatlands, such as Big Flat and Jose Opening, provide distinct breaks in the dense forest cover. The hydrology of the area is shaped by the winding course of Hulls Cr and its various tributaries, including Pepperwood Cr and Murphy Cr. This 2021 survey reveals a territory with minimal modern development, where transportation is limited to routes like Hulls Valley Rd and geographic movement is dictated by landmarks like Crazy Bear Pass and the rocky heights of Buck Mtn and Bluenose Rock.
35 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