N Highway 1 snakes along the jagged coastline and through the heavily wooded interior of the Mendocino coast, connecting isolated settlements like Hales Grove and Cottaneva Valley. The terrain is defined by deep drainages and ridges, where Timber Ridge and Timber Point overlook a complex network of waterways including Usal Cr and the various forks of Cottaneva Cr. Along the Pacific shore, sea stacks and landmarks such as Usal Rock, Middle Rock, and Sea Lion Rock sit just off the coast near Shady Dell. The interior landscape reveals local history through place names like Dutchmans Flat, Slaughterhouse Gulch, and Soldier Frank Hill, suggesting the region's historical reliance on ranching and logging within the steep coastal canyons.
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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