The Pacific Ocean coastline of Mendocino County meets a complex system of ridges and canyons in this 2012 survey. The settlement of Usal serves as a focal point near the coast, adjacent to the Usal Campground and the mouth of Usal Creek. Moving inland, the topography is defined by significant elevations like Timber Ridge and watercourses such as Hollow Tree Creek and the Middle Fork Cottaneva Creek.
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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