The mountain fringe of the Round Valley basin is the central focus of this Mendocino County survey, where the edge of Covelo meets the rising terrain of the northern Coast Ranges. The map documents the rural infrastructure supporting this isolated valley, including the Round Valley Airport and a network of local thoroughfares like the Charlie Hurt Hwy and Poonkinney Rd. High ridges such as Poonkinny Ridge and Gas Mine Ridge dominate the western horizon, interspersed with historically named clearings like Wylettie Flat and Davis Salt Ground. Drainage systems such as Grist Cr and Town Cr feed into the valley floor from the surrounding heights. This record of the early 21st century provides a look at the settlements of Little Valley and Cow Camp, capturing the remote character of the region before further modern developments.
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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