Pacific Ocean dominates this coastal survey, where the terrestrial edge of Humboldt County meets the sea at one of the westernmost points of the contiguous United States. The topography is defined by prominent maritime landmarks such as False Cape and False Cape Rock, which have historically served as significant navigational reference points along this often fog-shrouded coastline. The interior geography revealed here is sparse but telling of the local drainage patterns, featuring steep ravines like Flyblow Gulch and the mouth of Oil Cr. This 2012 digital revision by the U.S. Geological Survey utilizes high-resolution imagery to document the rugged interface of land and water, including the distinct formation at Mussel Rock.
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This is the sole edition of this map. No revisions or reprints were ever made.
1916 · Cape Fortunas
USGS Topo · 1:62,500
1921 · Cape Mendocino
USGS Topo · 1:62,500
1943 · Ferndale
USGS Topo · 1:62,500
1949 · Eureka
USGS Topo · 1:250,000
1950 · Cape Mendocino
USGS Topo · 1:62,500
1951 · Cape Mendocino
USGS Topo · 1:62,500
1951 · Ferndale
USGS Topo · 1:62,500
1958 · Eureka
USGS Topo · 1:250,000
1958 · Eureka
USGS Topo · 1:250,000
1959 · Cannibal Island
USGS Topo · 1:24,000