
N Fork Elk River and S Fork Elk River dominate the southern half of this landscape, tracing the complex drainage patterns of the Humboldt timberlands. The terrain is defined by steep ridges and narrow valleys, where small tributaries like McWhinney Cr and Bridge Cr feed into larger systems. This 2021 survey illustrates a modern road network used primarily for resource management and access, including Elk River Rd and the prominent Palco Rd, which cuts across the southern hills.
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This is the sole edition of this map. No revisions or reprints were ever made.
1922 · Eureka
USGS Topo · 1:62,500
1922 · Korbel
USGS Topo · 1:62,500
1922 · Kneeland
USGS Topo · 1:62,500
1933 · Eureka
USGS Topo · 1:48,000
1942 · Eureka
USGS Topo · 1:62,500
1944 · Fortuna
USGS Topo · 1:62,500
1945 · Blue Lake
USGS Topo · 1:62,500
1949 · Eureka
USGS Topo · 1:250,000
1950 · Iaqua Buttes
USGS Topo · 1:62,500
1951 · Eureka
USGS Topo · 1:62,500