Round Valley serves as a central geographical anchor in this part of Mendocino County, where the transition from high ridgelines to alluvial flats defines the local layout. The settlement of Covelo sits at the edge of this valley, supported by the Round Valley Airport and a network of local roads including Poonkinny Rd and Mina Rd. To the west and north, the terrain becomes increasingly complex, marked by prominent features such as Poonkinny Ridge, Eberle Ridge, and Gas Mine Ridge.
58 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 · Covelo
USGS Topo · 1:62,500
1926 · Covelo
USGS Topo · 1:62,500
1929 · Eden Valley
USGS Topo · 1:62,500
1951 · Laytonville
USGS Topo · 1:62,500
1952 · Spyrock
USGS Topo · 1:62,500
1952 · Eden Valley
USGS Topo · 1:62,500
1952 · Covelo
USGS Topo · 1:62,500
1957 · Ukiah
USGS Topo · 1:250,000
1960 · Ukiah
USGS Topo · 1:250,000
1967 · Covelo West
USGS Topo · 1:24,000