
Cottaneva Valley and the steep coastal ridges of Mendocino County define this modern topographic landscape, where the rugged shoreline meets the Pacific Ocean. The geography reflects a history of coastal access and timber harvesting, indicated by labels like Timber Haul Rd and the Lost Coast Trl winding along the cliffs near Timber Point. Inland, small named settlements like Hales Grove and Shady Dell sit tucked into the drainages of Usal Creek and its many tributaries. The map details a complex network of gulches, from Slaughterhouse Gulch to Waterfall Gulch, alongside prominent maritime landmarks such as Usal Rock and Shoreline Rock. Researchers can trace the narrow coastal roads and trails that connect these isolated points, providing a contemporary view of this sparsely populated section of the California coast.
52 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 · Cummings
USGS Topo · 1:62,500
1921 · Westport
USGS Topo · 1:62,500
1921 · Branscomb
USGS Topo · 1:62,500
1950 · Piercy
USGS Topo · 1:62,500
1950 · Cape Vizcaino
USGS Topo · 1:62,500
1951 · Cape Vizcaino
USGS Topo · 1:62,500
1951 · Branscomb
USGS Topo · 1:62,500
1952 · Leggett
USGS Topo · 1:62,500
1957 · Ukiah
USGS Topo · 1:250,000
1960 · Ukiah
USGS Topo · 1:250,000