The coast of Northern California where Humboldt and Mendocino counties meet is defined here by the meeting of steep coastal topography and the deep waters of the Pacific Ocean. This 2018 survey captures the rugged shoreline near Shubrick Rock, a prominent coastal landmark situated just offshore. The land rises sharply from the sea, carved by drainage features such as Shipman Cr, which flows toward the hidden depths of the offshore Delgada Canyon. The map illustrates the sparsely populated nature of this coastal boundary, focusing on the natural transition from the upland terrain to the marine environment. The lack of road networks or developed settlements highlights the isolation of this specific stretch of the California coast near the Humboldt Co and Mendocino Co line.
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This is the sole edition of this map. No revisions or reprints were ever made.
1920 · Pt. Delagda
USGS Topo · 1:62,500
1926 · Gorda
USGS Topo · 1:62,500
1949 · Eureka
USGS Topo · 1:250,000
1949 · Point Delgada
USGS Topo · 1:62,500
1951 · Point Delgada
USGS Topo · 1:62,500
1958 · Eureka
USGS Topo · 1:250,000
1958 · Eureka
USGS Topo · 1:250,000
1961 · Eureka
USGS Topo · 1:250,000
1969 · Cooskie Creek
USGS Topo · 1:24,000
1969 · Shelter Cove
USGS Topo · 1:24,000