
Six Rivers National Forest dominates this section of the North Coast Ranges, where high ridges and deep river canyons define the Humboldt County landscape. The Mad River carves through the northern portion of the quadrangle, while the southern reaches are marked by the protected waters of the Eel Wild and Scenic River. This area is characterized by a series of prominent peaks and geological formations, including Showers Mtn, Singleton Butte, and Amelia Butte. Historically, these mountains have been navigated via remote routes like Showers Pass and the Rattlesnake Ridge Rd. The map reveals a complex network of drainage basins, from Mule Basin to Coyote Valley, supporting an environment where landmarks like Suicide Rock and Spotted Rock served as essential navigation points for early foresters and travelers through the rugged terrain.
67 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.
1914 · Pilot Creek
USGS Topo · 1:62,500
1915 · Big Bar and Vicinity
USGS Topo · 1:250,000
1921 · Dyerville
USGS Topo · 1:62,500
1922 · Kneeland
USGS Topo · 1:62,500
1949 · Blocksburg
USGS Topo · 1:62,500
1949 · Weott
USGS Topo · 1:62,500
1950 · Iaqua Buttes
USGS Topo · 1:62,500
1951 · Weott
USGS Topo · 1:62,500
1951 · Blocksburg
USGS Topo · 1:62,500
1951 · Pilot Creek
USGS Topo · 1:62,500